25326640

素因数分解:

$2^4\times 5^1\times {\mathrm{316583}}^1$

素因数の和:316596

約数の個数: 20

約数和(自身を含む): 58884624

約数和(自身を除く): 33557984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 316583, 633166, 1266332, 1582915, 2532664, 3165830, 5065328, 6331660, 12663320, 25326640]

約数ペア:

[(1, 25326640), (2, 12663320), (4, 6331660), (5, 5065328), (8, 3165830), (10, 2532664), (16, 1582915), (20, 1266332), (40, 633166), (80, 316583)]