65668160

素因数分解:

$2^6\times 5^1\times {\mathrm{205213}}^1$

素因数の和:205230

約数の個数: 28

約数和(自身を含む): 156373068

約数和(自身を除く): 90704908

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 205213, 410426, 820852, 1026065, 1641704, 2052130, 3283408, 4104260, 6566816, 8208520, 13133632, 16417040, 32834080, 65668160]

約数ペア:

[(1, 65668160), (2, 32834080), (4, 16417040), (5, 13133632), (8, 8208520), (10, 6566816), (16, 4104260), (20, 3283408), (32, 2052130), (40, 1641704), (64, 1026065), (80, 820852), (160, 410426), (320, 205213)]