40704010

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1\times {\mathrm{211}}^1$

素因数の和:510

約数の個数: 32

約数和(自身を含む): 74732544

約数和(自身を除く): 34028534

約数列:

[1, 2, 5, 10, 101, 191, 202, 211, 382, 422, 505, 955, 1010, 1055, 1910, 2110, 19291, 21311, 38582, 40301, 42622, 80602, 96455, 106555, 192910, 201505, 213110, 403010, 4070401, 8140802, 20352005, 40704010]

約数ペア:

[(1, 40704010), (2, 20352005), (5, 8140802), (10, 4070401), (101, 403010), (191, 213110), (202, 201505), (211, 192910), (382, 106555), (422, 96455), (505, 80602), (955, 42622), (1010, 40301), (1055, 38582), (1910, 21311), (2110, 19291)]