76221640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{821}}^1$

素因数の和:1054

約数の個数: 64

約数和(自身を含む): 188205120

約数和(自身を除く): 111983480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 211, 220, 422, 440, 821, 844, 1055, 1642, 1688, 2110, 2321, 3284, 4105, 4220, 4642, 6568, 8210, 8440, 9031, 9284, 11605, 16420, 18062, 18568, 23210, 32840, 36124, 45155, 46420, 72248, 90310, 92840, 173231, 180620, 346462, 361240, 692924, 866155, 1385848, 1732310, 1905541, 3464620, 3811082, 6929240, 7622164, 9527705, 15244328, 19055410, 38110820, 76221640]

約数ペア:

[(1, 76221640), (2, 38110820), (4, 19055410), (5, 15244328), (8, 9527705), (10, 7622164), (11, 6929240), (20, 3811082), (22, 3464620), (40, 1905541), (44, 1732310), (55, 1385848), (88, 866155), (110, 692924), (211, 361240), (220, 346462), (422, 180620), (440, 173231), (821, 92840), (844, 90310), (1055, 72248), (1642, 46420), (1688, 45155), (2110, 36124), (2321, 32840), (3284, 23210), (4105, 18568), (4220, 18062), (4642, 16420), (6568, 11605), (8210, 9284), (8440, 9031)]