2179663940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3515587}}^1$

素因数の和:3515627

約数の個数: 24

約数和(自身を含む): 4724950272

約数和(自身を除く): 2545286332

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 3515587, 7031174, 14062348, 17577935, 35155870, 70311740, 108983197, 217966394, 435932788, 544915985, 1089831970, 2179663940]

約数ペア:

[(1, 2179663940), (2, 1089831970), (4, 544915985), (5, 435932788), (10, 217966394), (20, 108983197), (31, 70311740), (62, 35155870), (124, 17577935), (155, 14062348), (310, 7031174), (620, 3515587)]