65600000

素因数分解:

$2^9\times 5^5\times {\mathrm{41}}^1$

素因数の和:84

約数の個数: 120

約数和(自身を含む): 167825196

約数和(自身を除く): 102225196

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, 256, 320, 328, 400, 410, 500, 512, 625, 640, 656, 800, 820, 1000, 1025, 1250, 1280, 1312, 1600, 1640, 2000, 2050, 2500, 2560, 2624, 3125, 3200, 3280, 4000, 4100, 5000, 5125, 5248, 6250, 6400, 6560, 8000, 8200, 10000, 10250, 10496, 12500, 12800, 13120, 16000, 16400, 20000, 20500, 20992, 25000, 25625, 26240, 32000, 32800, 40000, 41000, 50000, 51250, 52480, 64000, 65600, 80000, 82000, 100000, 102500, 104960, 128125, 131200, 160000, 164000, 200000, 205000, 256250, 262400, 320000, 328000, 400000, 410000, 512500, 524800, 656000, 800000, 820000, 1025000, 1312000, 1600000, 1640000, 2050000, 2624000, 3280000, 4100000, 6560000, 8200000, 13120000, 16400000, 32800000, 65600000]

約数ペア:

[(1, 65600000), (2, 32800000), (4, 16400000), (5, 13120000), (8, 8200000), (10, 6560000), (16, 4100000), (20, 3280000), (25, 2624000), (32, 2050000), (40, 1640000), (41, 1600000), (50, 1312000), (64, 1025000), (80, 820000), (82, 800000), (100, 656000), (125, 524800), (128, 512500), (160, 410000), (164, 400000), (200, 328000), (205, 320000), (250, 262400), (256, 256250), (320, 205000), (328, 200000), (400, 164000), (410, 160000), (500, 131200), (512, 128125), (625, 104960), (640, 102500), (656, 100000), (800, 82000), (820, 80000), (1000, 65600), (1025, 64000), (1250, 52480), (1280, 51250), (1312, 50000), (1600, 41000), (1640, 40000), (2000, 32800), (2050, 32000), (2500, 26240), (2560, 25625), (2624, 25000), (3125, 20992), (3200, 20500), (3280, 20000), (4000, 16400), (4100, 16000), (5000, 13120), (5125, 12800), (5248, 12500), (6250, 10496), (6400, 10250), (6560, 10000), (8000, 8200)]