25639820

素因数分解:

$2^2\times 5^1\times {\mathrm{683}}^1\times {\mathrm{1877}}^1$

素因数の和:2569

約数の個数: 24

約数和(自身を含む): 53951184

約数和(自身を除く): 28311364

約数列:

[1, 2, 4, 5, 10, 20, 683, 1366, 1877, 2732, 3415, 3754, 6830, 7508, 9385, 13660, 18770, 37540, 1281991, 2563982, 5127964, 6409955, 12819910, 25639820]

約数ペア:

[(1, 25639820), (2, 12819910), (4, 6409955), (5, 5127964), (10, 2563982), (20, 1281991), (683, 37540), (1366, 18770), (1877, 13660), (2732, 9385), (3415, 7508), (3754, 6830)]