1980080

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{467}}^1$

素因数の和:533

約数の個数: 40

約数和(自身を含む): 4700592

約数和(自身を除く): 2720512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 467, 530, 848, 934, 1060, 1868, 2120, 2335, 3736, 4240, 4670, 7472, 9340, 18680, 24751, 37360, 49502, 99004, 123755, 198008, 247510, 396016, 495020, 990040, 1980080]

約数ペア:

[(1, 1980080), (2, 990040), (4, 495020), (5, 396016), (8, 247510), (10, 198008), (16, 123755), (20, 99004), (40, 49502), (53, 37360), (80, 24751), (106, 18680), (212, 9340), (265, 7472), (424, 4670), (467, 4240), (530, 3736), (848, 2335), (934, 2120), (1060, 1868)]