31894760

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{3779}}^1$

素因数の和:4001

約数の個数: 32

約数和(自身を含む): 72122400

約数和(自身を除く): 40227640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 3779, 4220, 7558, 8440, 15116, 18895, 30232, 37790, 75580, 151160, 797369, 1594738, 3189476, 3986845, 6378952, 7973690, 15947380, 31894760]

約数ペア:

[(1, 31894760), (2, 15947380), (4, 7973690), (5, 6378952), (8, 3986845), (10, 3189476), (20, 1594738), (40, 797369), (211, 151160), (422, 75580), (844, 37790), (1055, 30232), (1688, 18895), (2110, 15116), (3779, 8440), (4220, 7558)]