61637980

素因数分解:

$2^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{4793}}^1$

素因数の和:5445

約数の個数: 24

約数和(自身を含む): 129668112

約数和(自身を除く): 68030132

約数列:

[1, 2, 4, 5, 10, 20, 643, 1286, 2572, 3215, 4793, 6430, 9586, 12860, 19172, 23965, 47930, 95860, 3081899, 6163798, 12327596, 15409495, 30818990, 61637980]

約数ペア:

[(1, 61637980), (2, 30818990), (4, 15409495), (5, 12327596), (10, 6163798), (20, 3081899), (643, 95860), (1286, 47930), (2572, 23965), (3215, 19172), (4793, 12860), (6430, 9586)]