12815980

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{10861}}^1$

素因数の和:10929

約数の個数: 24

約数和(自身を含む): 27372240

約数和(自身を除く): 14556260

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 10861, 21722, 43444, 54305, 108610, 217220, 640799, 1281598, 2563196, 3203995, 6407990, 12815980]

約数ペア:

[(1, 12815980), (2, 6407990), (4, 3203995), (5, 2563196), (10, 1281598), (20, 640799), (59, 217220), (118, 108610), (236, 54305), (295, 43444), (590, 21722), (1180, 10861)]