8137580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{787}}^1$

素因数の和:854

約数の個数: 48

約数和(自身を含む): 19063296

約数和(自身を除く): 10925716

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 787, 940, 1034, 1574, 2068, 2585, 3148, 3935, 5170, 7870, 8657, 10340, 15740, 17314, 34628, 36989, 43285, 73978, 86570, 147956, 173140, 184945, 369890, 406879, 739780, 813758, 1627516, 2034395, 4068790, 8137580]

約数ペア:

[(1, 8137580), (2, 4068790), (4, 2034395), (5, 1627516), (10, 813758), (11, 739780), (20, 406879), (22, 369890), (44, 184945), (47, 173140), (55, 147956), (94, 86570), (110, 73978), (188, 43285), (220, 36989), (235, 34628), (470, 17314), (517, 15740), (787, 10340), (940, 8657), (1034, 7870), (1574, 5170), (2068, 3935), (2585, 3148)]