90553940

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{50873}}^1$

素因数の和:50971

約数の個数: 24

約数和(自身を含む): 192303720

約数和(自身を除く): 101749780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 50873, 101746, 203492, 254365, 508730, 1017460, 4527697, 9055394, 18110788, 22638485, 45276970, 90553940]

約数ペア:

[(1, 90553940), (2, 45276970), (4, 22638485), (5, 18110788), (10, 9055394), (20, 4527697), (89, 1017460), (178, 508730), (356, 254365), (445, 203492), (890, 101746), (1780, 50873)]