25152640

素因数分解:

$2^7\times 5^1\times {\mathrm{39301}}^1$

素因数の和:39320

約数の個数: 32

約数和(自身を含む): 60132060

約数和(自身を除く): 34979420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 39301, 78602, 157204, 196505, 314408, 393010, 628816, 786020, 1257632, 1572040, 2515264, 3144080, 5030528, 6288160, 12576320, 25152640]

約数ペア:

[(1, 25152640), (2, 12576320), (4, 6288160), (5, 5030528), (8, 3144080), (10, 2515264), (16, 1572040), (20, 1257632), (32, 786020), (40, 628816), (64, 393010), (80, 314408), (128, 196505), (160, 157204), (320, 78602), (640, 39301)]