172188680

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{40231}}^1$

素因数の和:40349

約数の個数: 32

約数和(自身を含む): 391055040

約数和(自身を除く): 218866360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 40231, 80462, 160924, 201155, 321848, 402310, 804620, 1609240, 4304717, 8609434, 17218868, 21523585, 34437736, 43047170, 86094340, 172188680]

約数ペア:

[(1, 172188680), (2, 86094340), (4, 43047170), (5, 34437736), (8, 21523585), (10, 17218868), (20, 8609434), (40, 4304717), (107, 1609240), (214, 804620), (428, 402310), (535, 321848), (856, 201155), (1070, 160924), (2140, 80462), (4280, 40231)]