25213660

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{7549}}^1$

素因数の和:7725

約数の個数: 24

約数和(自身を含む): 53272800

約数和(自身を除く): 28059140

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 668, 835, 1670, 3340, 7549, 15098, 30196, 37745, 75490, 150980, 1260683, 2521366, 5042732, 6303415, 12606830, 25213660]

約数ペア:

[(1, 25213660), (2, 12606830), (4, 6303415), (5, 5042732), (10, 2521366), (20, 1260683), (167, 150980), (334, 75490), (668, 37745), (835, 30196), (1670, 15098), (3340, 7549)]