89501980

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1\times {\mathrm{211}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 191471616

約数和(自身を除く): 101969636

約数列:

[1, 2, 4, 5, 10, 20, 127, 167, 211, 254, 334, 422, 508, 635, 668, 835, 844, 1055, 1270, 1670, 2110, 2540, 3340, 4220, 21209, 26797, 35237, 42418, 53594, 70474, 84836, 106045, 107188, 133985, 140948, 176185, 212090, 267970, 352370, 424180, 535940, 704740, 4475099, 8950198, 17900396, 22375495, 44750990, 89501980]

約数ペア:

[(1, 89501980), (2, 44750990), (4, 22375495), (5, 17900396), (10, 8950198), (20, 4475099), (127, 704740), (167, 535940), (211, 424180), (254, 352370), (334, 267970), (422, 212090), (508, 176185), (635, 140948), (668, 133985), (835, 107188), (844, 106045), (1055, 84836), (1270, 70474), (1670, 53594), (2110, 42418), (2540, 35237), (3340, 26797), (4220, 21209)]