291852080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{280627}}^1$

素因数の和:280653

約数の個数: 40

約数和(自身を含む): 730755312

約数和(自身を除く): 438903232

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 280627, 561254, 1122508, 1403135, 2245016, 2806270, 3648151, 4490032, 5612540, 7296302, 11225080, 14592604, 18240755, 22450160, 29185208, 36481510, 58370416, 72963020, 145926040, 291852080]

約数ペア:

[(1, 291852080), (2, 145926040), (4, 72963020), (5, 58370416), (8, 36481510), (10, 29185208), (13, 22450160), (16, 18240755), (20, 14592604), (26, 11225080), (40, 7296302), (52, 5612540), (65, 4490032), (80, 3648151), (104, 2806270), (130, 2245016), (208, 1403135), (260, 1122508), (520, 561254), (1040, 280627)]