57279820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{220307}}^1$

素因数の和:220329

約数の個数: 24

約数和(自身を含む): 129541104

約数和(自身を除く): 72261284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 220307, 440614, 881228, 1101535, 2203070, 2863991, 4406140, 5727982, 11455964, 14319955, 28639910, 57279820]

約数ペア:

[(1, 57279820), (2, 28639910), (4, 14319955), (5, 11455964), (10, 5727982), (13, 4406140), (20, 2863991), (26, 2203070), (52, 1101535), (65, 881228), (130, 440614), (260, 220307)]