65729240

素因数分解:

$2^3\times 5^1\times {\mathrm{1643231}}^1$

素因数の和:1643242

約数の個数: 16

約数和(自身を含む): 147890880

約数和(自身を除く): 82161640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1643231, 3286462, 6572924, 8216155, 13145848, 16432310, 32864620, 65729240]

約数ペア:

[(1, 65729240), (2, 32864620), (4, 16432310), (5, 13145848), (8, 8216155), (10, 6572924), (20, 3286462), (40, 1643231)]