31527620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{241}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 68952576

約数和(自身を除く): 37424956

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 211, 241, 310, 422, 482, 620, 844, 964, 1055, 1205, 2110, 2410, 4220, 4820, 6541, 7471, 13082, 14942, 26164, 29884, 32705, 37355, 50851, 65410, 74710, 101702, 130820, 149420, 203404, 254255, 508510, 1017020, 1576381, 3152762, 6305524, 7881905, 15763810, 31527620]

約数ペア:

[(1, 31527620), (2, 15763810), (4, 7881905), (5, 6305524), (10, 3152762), (20, 1576381), (31, 1017020), (62, 508510), (124, 254255), (155, 203404), (211, 149420), (241, 130820), (310, 101702), (422, 74710), (482, 65410), (620, 50851), (844, 37355), (964, 32705), (1055, 29884), (1205, 26164), (2110, 14942), (2410, 13082), (4220, 7471), (4820, 6541)]