25208720

素因数分解:

$2^4\times 5^1\times {\mathrm{315109}}^1$

素因数の和:315122

約数の個数: 20

約数和(自身を含む): 58610460

約数和(自身を除く): 33401740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 315109, 630218, 1260436, 1575545, 2520872, 3151090, 5041744, 6302180, 12604360, 25208720]

約数ペア:

[(1, 25208720), (2, 12604360), (4, 6302180), (5, 5041744), (8, 3151090), (10, 2520872), (16, 1575545), (20, 1260436), (40, 630218), (80, 315109)]