68876020

素因数分解:

$2^2\times 5^1\times {\mathrm{1607}}^1\times {\mathrm{2143}}^1$

素因数の和:3759

約数の個数: 24

約数和(自身を含む): 144797184

約数和(自身を除く): 75921164

約数列:

[1, 2, 4, 5, 10, 20, 1607, 2143, 3214, 4286, 6428, 8035, 8572, 10715, 16070, 21430, 32140, 42860, 3443801, 6887602, 13775204, 17219005, 34438010, 68876020]

約数ペア:

[(1, 68876020), (2, 34438010), (4, 17219005), (5, 13775204), (10, 6887602), (20, 3443801), (1607, 42860), (2143, 32140), (3214, 21430), (4286, 16070), (6428, 10715), (8035, 8572)]