17218840

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5449}}^1$

素因数の和:5539

約数の個数: 32

約数和(自身を含む): 39240000

約数和(自身を除く): 22021160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 5449, 10898, 21796, 27245, 43592, 54490, 108980, 217960, 430471, 860942, 1721884, 2152355, 3443768, 4304710, 8609420, 17218840]

約数ペア:

[(1, 17218840), (2, 8609420), (4, 4304710), (5, 3443768), (8, 2152355), (10, 1721884), (20, 860942), (40, 430471), (79, 217960), (158, 108980), (316, 54490), (395, 43592), (632, 27245), (790, 21796), (1580, 10898), (3160, 5449)]