15945640

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1471}}^1$

素因数の和:1753

約数の個数: 32

約数和(自身を含む): 36034560

約数和(自身を除く): 20088920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 1471, 2168, 2710, 2942, 5420, 5884, 7355, 10840, 11768, 14710, 29420, 58840, 398641, 797282, 1594564, 1993205, 3189128, 3986410, 7972820, 15945640]

約数ペア:

[(1, 15945640), (2, 7972820), (4, 3986410), (5, 3189128), (8, 1993205), (10, 1594564), (20, 797282), (40, 398641), (271, 58840), (542, 29420), (1084, 14710), (1355, 11768), (1471, 10840), (2168, 7355), (2710, 5884), (2942, 5420)]