20175280000

素因数分解:

$2^7\times 5^4\times {\mathrm{41}}^1\times {\mathrm{6151}}^1$

素因数の和:6226

約数の個数: 160

約数和(自身を含む): 51458465520

約数和(自身を除く): 31283185520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 64, 80, 82, 100, 125, 128, 160, 164, 200, 205, 250, 320, 328, 400, 410, 500, 625, 640, 656, 800, 820, 1000, 1025, 1250, 1312, 1600, 1640, 2000, 2050, 2500, 2624, 3200, 3280, 4000, 4100, 5000, 5125, 5248, 6151, 6560, 8000, 8200, 10000, 10250, 12302, 13120, 16000, 16400, 20000, 20500, 24604, 25625, 26240, 30755, 32800, 40000, 41000, 49208, 51250, 61510, 65600, 80000, 82000, 98416, 102500, 123020, 131200, 153775, 164000, 196832, 205000, 246040, 252191, 307550, 328000, 393664, 410000, 492080, 504382, 615100, 656000, 768875, 787328, 820000, 984160, 1008764, 1230200, 1260955, 1537750, 1640000, 1968320, 2017528, 2460400, 2521910, 3075500, 3280000, 3844375, 3936640, 4035056, 4920800, 5043820, 6151000, 6304775, 7688750, 8070112, 9841600, 10087640, 12302000, 12609550, 15377500, 16140224, 19683200, 20175280, 24604000, 25219100, 30755000, 31523875, 32280448, 40350560, 49208000, 50438200, 61510000, 63047750, 80701120, 98416000, 100876400, 123020000, 126095500, 157619375, 161402240, 201752800, 246040000, 252191000, 315238750, 403505600, 492080000, 504382000, 630477500, 807011200, 1008764000, 1260955000, 2017528000, 2521910000, 4035056000, 5043820000, 10087640000, 20175280000]

約数ペア:

[(1, 20175280000), (2, 10087640000), (4, 5043820000), (5, 4035056000), (8, 2521910000), (10, 2017528000), (16, 1260955000), (20, 1008764000), (25, 807011200), (32, 630477500), (40, 504382000), (41, 492080000), (50, 403505600), (64, 315238750), (80, 252191000), (82, 246040000), (100, 201752800), (125, 161402240), (128, 157619375), (160, 126095500), (164, 123020000), (200, 100876400), (205, 98416000), (250, 80701120), (320, 63047750), (328, 61510000), (400, 50438200), (410, 49208000), (500, 40350560), (625, 32280448), (640, 31523875), (656, 30755000), (800, 25219100), (820, 24604000), (1000, 20175280), (1025, 19683200), (1250, 16140224), (1312, 15377500), (1600, 12609550), (1640, 12302000), (2000, 10087640), (2050, 9841600), (2500, 8070112), (2624, 7688750), (3200, 6304775), (3280, 6151000), (4000, 5043820), (4100, 4920800), (5000, 4035056), (5125, 3936640), (5248, 3844375), (6151, 3280000), (6560, 3075500), (8000, 2521910), (8200, 2460400), (10000, 2017528), (10250, 1968320), (12302, 1640000), (13120, 1537750), (16000, 1260955), (16400, 1230200), (20000, 1008764), (20500, 984160), (24604, 820000), (25625, 787328), (26240, 768875), (30755, 656000), (32800, 615100), (40000, 504382), (41000, 492080), (49208, 410000), (51250, 393664), (61510, 328000), (65600, 307550), (80000, 252191), (82000, 246040), (98416, 205000), (102500, 196832), (123020, 164000), (131200, 153775)]