72189920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41017}}^1$

素因数の和:41043

約数の個数: 48

約数和(自身を含む): 186057648

約数和(自身を除く): 113867728

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 41017, 82034, 164068, 205085, 328136, 410170, 451187, 656272, 820340, 902374, 1312544, 1640680, 1804748, 2255935, 3281360, 3609496, 4511870, 6562720, 7218992, 9023740, 14437984, 18047480, 36094960, 72189920]

約数ペア:

[(1, 72189920), (2, 36094960), (4, 18047480), (5, 14437984), (8, 9023740), (10, 7218992), (11, 6562720), (16, 4511870), (20, 3609496), (22, 3281360), (32, 2255935), (40, 1804748), (44, 1640680), (55, 1312544), (80, 902374), (88, 820340), (110, 656272), (160, 451187), (176, 410170), (220, 328136), (352, 205085), (440, 164068), (880, 82034), (1760, 41017)]