2661980

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{797}}^1$

素因数の和:973

約数の個数: 24

約数和(自身を含む): 5630688

約数和(自身を除く): 2968708

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 668, 797, 835, 1594, 1670, 3188, 3340, 3985, 7970, 15940, 133099, 266198, 532396, 665495, 1330990, 2661980]

約数ペア:

[(1, 2661980), (2, 1330990), (4, 665495), (5, 532396), (10, 266198), (20, 133099), (167, 15940), (334, 7970), (668, 3985), (797, 3340), (835, 3188), (1594, 1670)]