90554920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{133169}}^1$

素因数の和:133197

約数の個数: 32

約数和(自身を含む): 215735400

約数和(自身を除く): 125180480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 133169, 266338, 532676, 665845, 1065352, 1331690, 2263873, 2663380, 4527746, 5326760, 9055492, 11319365, 18110984, 22638730, 45277460, 90554920]

約数ペア:

[(1, 90554920), (2, 45277460), (4, 22638730), (5, 18110984), (8, 11319365), (10, 9055492), (17, 5326760), (20, 4527746), (34, 2663380), (40, 2263873), (68, 1331690), (85, 1065352), (136, 665845), (170, 532676), (340, 266338), (680, 133169)]