38644640

素因数分解:

$2^5\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1621}}^1$

素因数の和:1785

約数の個数: 48

約数和(自身を含む): 91967400

約数和(自身を除く): 53322760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 149, 160, 298, 596, 745, 1192, 1490, 1621, 2384, 2980, 3242, 4768, 5960, 6484, 8105, 11920, 12968, 16210, 23840, 25936, 32420, 51872, 64840, 129680, 241529, 259360, 483058, 966116, 1207645, 1932232, 2415290, 3864464, 4830580, 7728928, 9661160, 19322320, 38644640]

約数ペア:

[(1, 38644640), (2, 19322320), (4, 9661160), (5, 7728928), (8, 4830580), (10, 3864464), (16, 2415290), (20, 1932232), (32, 1207645), (40, 966116), (80, 483058), (149, 259360), (160, 241529), (298, 129680), (596, 64840), (745, 51872), (1192, 32420), (1490, 25936), (1621, 23840), (2384, 16210), (2980, 12968), (3242, 11920), (4768, 8105), (5960, 6484)]