12943720

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{2143}}^1$

素因数の和:2305

約数の個数: 32

約数和(自身を含む): 29329920

約数和(自身を除く): 16386200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 2143, 3020, 4286, 6040, 8572, 10715, 17144, 21430, 42860, 85720, 323593, 647186, 1294372, 1617965, 2588744, 3235930, 6471860, 12943720]

約数ペア:

[(1, 12943720), (2, 6471860), (4, 3235930), (5, 2588744), (8, 1617965), (10, 1294372), (20, 647186), (40, 323593), (151, 85720), (302, 42860), (604, 21430), (755, 17144), (1208, 10715), (1510, 8572), (2143, 6040), (3020, 4286)]