2103759940

素因数分解:

$2^2\times 5^1\times {\mathrm{1297}}^1\times {\mathrm{81101}}^1$

素因数の和:82407

約数の個数: 24

約数和(自身を含む): 4421356632

約数和(自身を除く): 2317596692

約数列:

[1, 2, 4, 5, 10, 20, 1297, 2594, 5188, 6485, 12970, 25940, 81101, 162202, 324404, 405505, 811010, 1622020, 105187997, 210375994, 420751988, 525939985, 1051879970, 2103759940]

約数ペア:

[(1, 2103759940), (2, 1051879970), (4, 525939985), (5, 420751988), (10, 210375994), (20, 105187997), (1297, 1622020), (2594, 811010), (5188, 405505), (6485, 324404), (12970, 162202), (25940, 81101)]