64056640

素因数分解:

$2^6\times 5^1\times {\mathrm{200177}}^1$

素因数の和:200194

約数の個数: 28

約数和(自身を含む): 152535636

約数和(自身を除く): 88478996

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 200177, 400354, 800708, 1000885, 1601416, 2001770, 3202832, 4003540, 6405664, 8007080, 12811328, 16014160, 32028320, 64056640]

約数ペア:

[(1, 64056640), (2, 32028320), (4, 16014160), (5, 12811328), (8, 8007080), (10, 6405664), (16, 4003540), (20, 3202832), (32, 2001770), (40, 1601416), (64, 1000885), (80, 800708), (160, 400354), (320, 200177)]