57707260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{221951}}^1$

素因数の和:221973

約数の個数: 24

約数和(自身を含む): 130507776

約数和(自身を除く): 72800516

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 221951, 443902, 887804, 1109755, 2219510, 2885363, 4439020, 5770726, 11541452, 14426815, 28853630, 57707260]

約数ペア:

[(1, 57707260), (2, 28853630), (4, 14426815), (5, 11541452), (10, 5770726), (13, 4439020), (20, 2885363), (26, 2219510), (52, 1109755), (65, 887804), (130, 443902), (260, 221951)]