26680120

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{2131}}^1$

素因数の和:2455

約数の個数: 32

約数和(自身を含む): 60250320

約数和(自身を除く): 33570200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2131, 2504, 3130, 4262, 6260, 8524, 10655, 12520, 17048, 21310, 42620, 85240, 667003, 1334006, 2668012, 3335015, 5336024, 6670030, 13340060, 26680120]

約数ペア:

[(1, 26680120), (2, 13340060), (4, 6670030), (5, 5336024), (8, 3335015), (10, 2668012), (20, 1334006), (40, 667003), (313, 85240), (626, 42620), (1252, 21310), (1565, 17048), (2131, 12520), (2504, 10655), (3130, 8524), (4262, 6260)]