90984680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{133801}}^1$

素因数の和:133829

約数の個数: 32

約数和(自身を含む): 216759240

約数和(自身を除く): 125774560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 133801, 267602, 535204, 669005, 1070408, 1338010, 2274617, 2676020, 4549234, 5352040, 9098468, 11373085, 18196936, 22746170, 45492340, 90984680]

約数ペア:

[(1, 90984680), (2, 45492340), (4, 22746170), (5, 18196936), (8, 11373085), (10, 9098468), (17, 5352040), (20, 4549234), (34, 2676020), (40, 2274617), (68, 1338010), (85, 1070408), (136, 669005), (170, 535204), (340, 267602), (680, 133801)]