51824000

素因数分解:

$2^7\times 5^3\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:149

約数の個数: 128

約数和(自身を含む): 133660800

約数和(自身を除く): 81836800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 64, 79, 80, 82, 100, 125, 128, 158, 160, 164, 200, 205, 250, 316, 320, 328, 395, 400, 410, 500, 632, 640, 656, 790, 800, 820, 1000, 1025, 1264, 1312, 1580, 1600, 1640, 1975, 2000, 2050, 2528, 2624, 3160, 3200, 3239, 3280, 3950, 4000, 4100, 5056, 5125, 5248, 6320, 6478, 6560, 7900, 8000, 8200, 9875, 10112, 10250, 12640, 12956, 13120, 15800, 16000, 16195, 16400, 19750, 20500, 25280, 25912, 26240, 31600, 32390, 32800, 39500, 41000, 50560, 51824, 63200, 64780, 65600, 79000, 80975, 82000, 103648, 126400, 129560, 131200, 158000, 161950, 164000, 207296, 252800, 259120, 316000, 323900, 328000, 404875, 414592, 518240, 632000, 647800, 656000, 809750, 1036480, 1264000, 1295600, 1619500, 2072960, 2591200, 3239000, 5182400, 6478000, 10364800, 12956000, 25912000, 51824000]

約数ペア:

[(1, 51824000), (2, 25912000), (4, 12956000), (5, 10364800), (8, 6478000), (10, 5182400), (16, 3239000), (20, 2591200), (25, 2072960), (32, 1619500), (40, 1295600), (41, 1264000), (50, 1036480), (64, 809750), (79, 656000), (80, 647800), (82, 632000), (100, 518240), (125, 414592), (128, 404875), (158, 328000), (160, 323900), (164, 316000), (200, 259120), (205, 252800), (250, 207296), (316, 164000), (320, 161950), (328, 158000), (395, 131200), (400, 129560), (410, 126400), (500, 103648), (632, 82000), (640, 80975), (656, 79000), (790, 65600), (800, 64780), (820, 63200), (1000, 51824), (1025, 50560), (1264, 41000), (1312, 39500), (1580, 32800), (1600, 32390), (1640, 31600), (1975, 26240), (2000, 25912), (2050, 25280), (2528, 20500), (2624, 19750), (3160, 16400), (3200, 16195), (3239, 16000), (3280, 15800), (3950, 13120), (4000, 12956), (4100, 12640), (5056, 10250), (5125, 10112), (5248, 9875), (6320, 8200), (6478, 8000), (6560, 7900)]