25312640

素因数分解:

$2^7\times 5^1\times {\mathrm{39551}}^1$

素因数の和:39570

約数の個数: 32

約数和(自身を含む): 60514560

約数和(自身を除く): 35201920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 39551, 79102, 158204, 197755, 316408, 395510, 632816, 791020, 1265632, 1582040, 2531264, 3164080, 5062528, 6328160, 12656320, 25312640]

約数ペア:

[(1, 25312640), (2, 12656320), (4, 6328160), (5, 5062528), (8, 3164080), (10, 2531264), (16, 1582040), (20, 1265632), (32, 791020), (40, 632816), (64, 395510), (80, 316408), (128, 197755), (160, 158204), (320, 79102), (640, 39551)]