90843980

素因数分解:

$2^2\times 5^1\times {\mathrm{1063}}^1\times {\mathrm{4273}}^1$

素因数の和:5345

約数の個数: 24

約数和(自身を含む): 190996512

約数和(自身を除く): 100152532

約数列:

[1, 2, 4, 5, 10, 20, 1063, 2126, 4252, 4273, 5315, 8546, 10630, 17092, 21260, 21365, 42730, 85460, 4542199, 9084398, 18168796, 22710995, 45421990, 90843980]

約数ペア:

[(1, 90843980), (2, 45421990), (4, 22710995), (5, 18168796), (10, 9084398), (20, 4542199), (1063, 85460), (2126, 42730), (4252, 21365), (4273, 21260), (5315, 17092), (8546, 10630)]