57123820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{219707}}^1$

素因数の和:219729

約数の個数: 24

約数和(自身を含む): 129188304

約数和(自身を除く): 72064484

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 219707, 439414, 878828, 1098535, 2197070, 2856191, 4394140, 5712382, 11424764, 14280955, 28561910, 57123820]

約数ペア:

[(1, 57123820), (2, 28561910), (4, 14280955), (5, 11424764), (10, 5712382), (13, 4394140), (20, 2856191), (26, 2197070), (52, 1098535), (65, 878828), (130, 439414), (260, 219707)]