39991660

素因数分解:

$2^2\times 5^1\times {\mathrm{1229}}^1\times {\mathrm{1627}}^1$

素因数の和:2865

約数の個数: 24

約数和(自身を含む): 84102480

約数和(自身を除く): 44110820

約数列:

[1, 2, 4, 5, 10, 20, 1229, 1627, 2458, 3254, 4916, 6145, 6508, 8135, 12290, 16270, 24580, 32540, 1999583, 3999166, 7998332, 9997915, 19995830, 39991660]

約数ペア:

[(1, 39991660), (2, 19995830), (4, 9997915), (5, 7998332), (10, 3999166), (20, 1999583), (1229, 32540), (1627, 24580), (2458, 16270), (3254, 12290), (4916, 8135), (6145, 6508)]