68004920

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{15889}}^1$

素因数の和:16007

約数の個数: 32

約数和(自身を含む): 154450800

約数和(自身を除く): 86445880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 15889, 31778, 63556, 79445, 127112, 158890, 317780, 635560, 1700123, 3400246, 6800492, 8500615, 13600984, 17001230, 34002460, 68004920]

約数ペア:

[(1, 68004920), (2, 34002460), (4, 17001230), (5, 13600984), (8, 8500615), (10, 6800492), (20, 3400246), (40, 1700123), (107, 635560), (214, 317780), (428, 158890), (535, 127112), (856, 79445), (1070, 63556), (2140, 31778), (4280, 15889)]