90277160

素因数分解:

$2^3\times 5^1\times {\mathrm{821}}^1\times {\mathrm{2749}}^1$

素因数の和:3581

約数の個数: 32

約数和(自身を含む): 203445000

約数和(自身を除く): 113167840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 821, 1642, 2749, 3284, 4105, 5498, 6568, 8210, 10996, 13745, 16420, 21992, 27490, 32840, 54980, 109960, 2256929, 4513858, 9027716, 11284645, 18055432, 22569290, 45138580, 90277160]

約数ペア:

[(1, 90277160), (2, 45138580), (4, 22569290), (5, 18055432), (8, 11284645), (10, 9027716), (20, 4513858), (40, 2256929), (821, 109960), (1642, 54980), (2749, 32840), (3284, 27490), (4105, 21992), (5498, 16420), (6568, 13745), (8210, 10996)]