204682960

素因数分解:

$2^4\times 5^1\times {\mathrm{787}}^1\times {\mathrm{3251}}^1$

素因数の和:4051

約数の個数: 40

約数和(自身を含む): 476639136

約数和(自身を除く): 271956176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 787, 1574, 3148, 3251, 3935, 6296, 6502, 7870, 12592, 13004, 15740, 16255, 26008, 31480, 32510, 52016, 62960, 65020, 130040, 260080, 2558537, 5117074, 10234148, 12792685, 20468296, 25585370, 40936592, 51170740, 102341480, 204682960]

約数ペア:

[(1, 204682960), (2, 102341480), (4, 51170740), (5, 40936592), (8, 25585370), (10, 20468296), (16, 12792685), (20, 10234148), (40, 5117074), (80, 2558537), (787, 260080), (1574, 130040), (3148, 65020), (3251, 62960), (3935, 52016), (6296, 32510), (6502, 31480), (7870, 26008), (12592, 16255), (13004, 15740)]