39489820

素因数分解:

$2^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{6977}}^1$

素因数の和:7269

約数の個数: 24

約数和(自身を含む): 83233584

約数和(自身を除く): 43743764

約数列:

[1, 2, 4, 5, 10, 20, 283, 566, 1132, 1415, 2830, 5660, 6977, 13954, 27908, 34885, 69770, 139540, 1974491, 3948982, 7897964, 9872455, 19744910, 39489820]

約数ペア:

[(1, 39489820), (2, 19744910), (4, 9872455), (5, 7897964), (10, 3948982), (20, 1974491), (283, 139540), (566, 69770), (1132, 34885), (1415, 27908), (2830, 13954), (5660, 6977)]