70439980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{270923}}^1$

素因数の和:270945

約数の個数: 24

約数和(自身を含む): 159303312

約数和(自身を除く): 88863332

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 270923, 541846, 1083692, 1354615, 2709230, 3521999, 5418460, 7043998, 14087996, 17609995, 35219990, 70439980]

約数ペア:

[(1, 70439980), (2, 35219990), (4, 17609995), (5, 14087996), (10, 7043998), (13, 5418460), (20, 3521999), (26, 2709230), (52, 1354615), (65, 1083692), (130, 541846), (260, 270923)]