80987320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{119099}}^1$

素因数の和:119127

約数の個数: 32

約数和(自身を含む): 192942000

約数和(自身を除く): 111954680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 119099, 238198, 476396, 595495, 952792, 1190990, 2024683, 2381980, 4049366, 4763960, 8098732, 10123415, 16197464, 20246830, 40493660, 80987320]

約数ペア:

[(1, 80987320), (2, 40493660), (4, 20246830), (5, 16197464), (8, 10123415), (10, 8098732), (17, 4763960), (20, 4049366), (34, 2381980), (40, 2024683), (68, 1190990), (85, 952792), (136, 595495), (170, 476396), (340, 238198), (680, 119099)]