72104560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{81937}}^1$

素因数の和:81961

約数の個数: 40

約数和(自身を含む): 182885616

約数和(自身を除く): 110781056

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 81937, 163874, 327748, 409685, 655496, 819370, 901307, 1310992, 1638740, 1802614, 3277480, 3605228, 4506535, 6554960, 7210456, 9013070, 14420912, 18026140, 36052280, 72104560]

約数ペア:

[(1, 72104560), (2, 36052280), (4, 18026140), (5, 14420912), (8, 9013070), (10, 7210456), (11, 6554960), (16, 4506535), (20, 3605228), (22, 3277480), (40, 1802614), (44, 1638740), (55, 1310992), (80, 901307), (88, 819370), (110, 655496), (176, 409685), (220, 327748), (440, 163874), (880, 81937)]