4047884020

素因数分解:

$2^2\times 5^1\times {\mathrm{523}}^1\times {\mathrm{386987}}^1$

素因数の和:387519

約数の個数: 24

約数和(自身を含む): 8516831904

約数和(自身を除く): 4468947884

約数列:

[1, 2, 4, 5, 10, 20, 523, 1046, 2092, 2615, 5230, 10460, 386987, 773974, 1547948, 1934935, 3869870, 7739740, 202394201, 404788402, 809576804, 1011971005, 2023942010, 4047884020]

約数ペア:

[(1, 4047884020), (2, 2023942010), (4, 1011971005), (5, 809576804), (10, 404788402), (20, 202394201), (523, 7739740), (1046, 3869870), (2092, 1934935), (2615, 1547948), (5230, 773974), (10460, 386987)]