65572160

素因数分解:

$2^6\times 5^1\times {\mathrm{204913}}^1$

素因数の和:204930

約数の個数: 28

約数和(自身を含む): 156144468

約数和(自身を除く): 90572308

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 204913, 409826, 819652, 1024565, 1639304, 2049130, 3278608, 4098260, 6557216, 8196520, 13114432, 16393040, 32786080, 65572160]

約数ペア:

[(1, 65572160), (2, 32786080), (4, 16393040), (5, 13114432), (8, 8196520), (10, 6557216), (16, 4098260), (20, 3278608), (32, 2049130), (40, 1639304), (64, 1024565), (80, 819652), (160, 409826), (320, 204913)]