72505600

素因数分解:

$2^8\times 5^2\times {\mathrm{11329}}^1$

素因数の和:11355

約数の個数: 54

約数和(自身を含む): 179478530

約数和(自身を除く): 106972930

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 3200, 6400, 11329, 22658, 45316, 56645, 90632, 113290, 181264, 226580, 283225, 362528, 453160, 566450, 725056, 906320, 1132900, 1450112, 1812640, 2265800, 2900224, 3625280, 4531600, 7250560, 9063200, 14501120, 18126400, 36252800, 72505600]

約数ペア:

[(1, 72505600), (2, 36252800), (4, 18126400), (5, 14501120), (8, 9063200), (10, 7250560), (16, 4531600), (20, 3625280), (25, 2900224), (32, 2265800), (40, 1812640), (50, 1450112), (64, 1132900), (80, 906320), (100, 725056), (128, 566450), (160, 453160), (200, 362528), (256, 283225), (320, 226580), (400, 181264), (640, 113290), (800, 90632), (1280, 56645), (1600, 45316), (3200, 22658), (6400, 11329)]