38725220

素因数分解:

$2^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{3391}}^1$

素因数の和:3971

約数の個数: 24

約数和(自身を含む): 81489408

約数和(自身を除く): 42764188

約数列:

[1, 2, 4, 5, 10, 20, 571, 1142, 2284, 2855, 3391, 5710, 6782, 11420, 13564, 16955, 33910, 67820, 1936261, 3872522, 7745044, 9681305, 19362610, 38725220]

約数ペア:

[(1, 38725220), (2, 19362610), (4, 9681305), (5, 7745044), (10, 3872522), (20, 1936261), (571, 67820), (1142, 33910), (2284, 16955), (2855, 13564), (3391, 11420), (5710, 6782)]