25072720

素因数分解:

$2^4\times 5^1\times {\mathrm{313409}}^1$

素因数の和:313422

約数の個数: 20

約数和(自身を含む): 58294260

約数和(自身を除く): 33221540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 313409, 626818, 1253636, 1567045, 2507272, 3134090, 5014544, 6268180, 12536360, 25072720]

約数ペア:

[(1, 25072720), (2, 12536360), (4, 6268180), (5, 5014544), (8, 3134090), (10, 2507272), (16, 1567045), (20, 1253636), (40, 626818), (80, 313409)]