61781960

素因数分解:

$2^3\times 5^1\times {\mathrm{1171}}^1\times {\mathrm{1319}}^1$

素因数の和:2501

約数の個数: 32

約数和(自身を含む): 139233600

約数和(自身を除く): 77451640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1171, 1319, 2342, 2638, 4684, 5276, 5855, 6595, 9368, 10552, 11710, 13190, 23420, 26380, 46840, 52760, 1544549, 3089098, 6178196, 7722745, 12356392, 15445490, 30890980, 61781960]

約数ペア:

[(1, 61781960), (2, 30890980), (4, 15445490), (5, 12356392), (8, 7722745), (10, 6178196), (20, 3089098), (40, 1544549), (1171, 52760), (1319, 46840), (2342, 26380), (2638, 23420), (4684, 13190), (5276, 11710), (5855, 10552), (6595, 9368)]