101604640

素因数分解:

$2^5\times 5^1\times {\mathrm{691}}^1\times {\mathrm{919}}^1$

素因数の和:1625

約数の個数: 48

約数和(自身を含む): 240649920

約数和(自身を除く): 139045280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 691, 919, 1382, 1838, 2764, 3455, 3676, 4595, 5528, 6910, 7352, 9190, 11056, 13820, 14704, 18380, 22112, 27640, 29408, 36760, 55280, 73520, 110560, 147040, 635029, 1270058, 2540116, 3175145, 5080232, 6350290, 10160464, 12700580, 20320928, 25401160, 50802320, 101604640]

約数ペア:

[(1, 101604640), (2, 50802320), (4, 25401160), (5, 20320928), (8, 12700580), (10, 10160464), (16, 6350290), (20, 5080232), (32, 3175145), (40, 2540116), (80, 1270058), (160, 635029), (691, 147040), (919, 110560), (1382, 73520), (1838, 55280), (2764, 36760), (3455, 29408), (3676, 27640), (4595, 22112), (5528, 18380), (6910, 14704), (7352, 13820), (9190, 11056)]