40802168

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{691}}^1$

素因数の和:780

約数の個数: 48

約数和(自身を含む): 85593480

約数和(自身を除く): 44791312

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 121, 122, 242, 244, 484, 488, 671, 691, 968, 1342, 1382, 2684, 2764, 5368, 5528, 7381, 7601, 14762, 15202, 29524, 30404, 42151, 59048, 60808, 83611, 84302, 167222, 168604, 334444, 337208, 463661, 668888, 927322, 1854644, 3709288, 5100271, 10200542, 20401084, 40802168]

約数ペア:

[(1, 40802168), (2, 20401084), (4, 10200542), (8, 5100271), (11, 3709288), (22, 1854644), (44, 927322), (61, 668888), (88, 463661), (121, 337208), (122, 334444), (242, 168604), (244, 167222), (484, 84302), (488, 83611), (671, 60808), (691, 59048), (968, 42151), (1342, 30404), (1382, 29524), (2684, 15202), (2764, 14762), (5368, 7601), (5528, 7381)]