291226928840

素因数分解:

$2^3\times 5^1\times {\mathrm{7280673221}}^1$

素因数の和:7280673232

約数の個数: 16

約数和(自身を含む): 655260589980

約数和(自身を除く): 364033661140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 7280673221, 14561346442, 29122692884, 36403366105, 58245385768, 72806732210, 145613464420, 291226928840]

約数ペア:

[(1, 291226928840), (2, 145613464420), (4, 72806732210), (5, 58245385768), (8, 36403366105), (10, 29122692884), (20, 14561346442), (40, 7280673221)]