38271640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{86981}}^1$

素因数の和:87003

約数の個数: 32

約数和(自身を含む): 93940560

約数和(自身を除く): 55668920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 86981, 173962, 347924, 434905, 695848, 869810, 956791, 1739620, 1913582, 3479240, 3827164, 4783955, 7654328, 9567910, 19135820, 38271640]

約数ペア:

[(1, 38271640), (2, 19135820), (4, 9567910), (5, 7654328), (8, 4783955), (10, 3827164), (11, 3479240), (20, 1913582), (22, 1739620), (40, 956791), (44, 869810), (55, 695848), (88, 434905), (110, 347924), (220, 173962), (440, 86981)]