8428040

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{4483}}^1$

素因数の和:4541

約数の個数: 32

約数和(自身を含む): 19370880

約数和(自身を除く): 10942840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 4483, 8966, 17932, 22415, 35864, 44830, 89660, 179320, 210701, 421402, 842804, 1053505, 1685608, 2107010, 4214020, 8428040]

約数ペア:

[(1, 8428040), (2, 4214020), (4, 2107010), (5, 1685608), (8, 1053505), (10, 842804), (20, 421402), (40, 210701), (47, 179320), (94, 89660), (188, 44830), (235, 35864), (376, 22415), (470, 17932), (940, 8966), (1880, 4483)]