31663280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3271}}^1$

素因数の和:3306

約数の個数: 60

約数和(自身を含む): 80942736

約数和(自身を除く): 49279456

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 2420, 3271, 4840, 6542, 9680, 13084, 16355, 26168, 32710, 35981, 52336, 65420, 71962, 130840, 143924, 179905, 261680, 287848, 359810, 395791, 575696, 719620, 791582, 1439240, 1583164, 1978955, 2878480, 3166328, 3957910, 6332656, 7915820, 15831640, 31663280]

約数ペア:

[(1, 31663280), (2, 15831640), (4, 7915820), (5, 6332656), (8, 3957910), (10, 3166328), (11, 2878480), (16, 1978955), (20, 1583164), (22, 1439240), (40, 791582), (44, 719620), (55, 575696), (80, 395791), (88, 359810), (110, 287848), (121, 261680), (176, 179905), (220, 143924), (242, 130840), (440, 71962), (484, 65420), (605, 52336), (880, 35981), (968, 32710), (1210, 26168), (1936, 16355), (2420, 13084), (3271, 9680), (4840, 6542)]