25118320

素因数分解:

$2^4\times 5^1\times {\mathrm{313979}}^1$

素因数の和:313992

約数の個数: 20

約数和(自身を含む): 58400280

約数和(自身を除く): 33281960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 313979, 627958, 1255916, 1569895, 2511832, 3139790, 5023664, 6279580, 12559160, 25118320]

約数ペア:

[(1, 25118320), (2, 12559160), (4, 6279580), (5, 5023664), (8, 3139790), (10, 2511832), (16, 1569895), (20, 1255916), (40, 627958), (80, 313979)]