89121560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{202549}}^1$

素因数の和:202571

約数の個数: 32

約数和(自身を含む): 218754000

約数和(自身を除く): 129632440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 202549, 405098, 810196, 1012745, 1620392, 2025490, 2228039, 4050980, 4456078, 8101960, 8912156, 11140195, 17824312, 22280390, 44560780, 89121560]

約数ペア:

[(1, 89121560), (2, 44560780), (4, 22280390), (5, 17824312), (8, 11140195), (10, 8912156), (11, 8101960), (20, 4456078), (22, 4050980), (40, 2228039), (44, 2025490), (55, 1620392), (88, 1012745), (110, 810196), (220, 405098), (440, 202549)]