1407640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2707}}^1$

素因数の和:2731

約数の個数: 32

約数和(自身を含む): 3412080

約数和(自身を除く): 2004440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 2707, 5414, 10828, 13535, 21656, 27070, 35191, 54140, 70382, 108280, 140764, 175955, 281528, 351910, 703820, 1407640]

約数ペア:

[(1, 1407640), (2, 703820), (4, 351910), (5, 281528), (8, 175955), (10, 140764), (13, 108280), (20, 70382), (26, 54140), (40, 35191), (52, 27070), (65, 21656), (104, 13535), (130, 10828), (260, 5414), (520, 2707)]