13137640

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{6197}}^1$

素因数の和:6261

約数の個数: 32

約数和(自身を含む): 30122280

約数和(自身を除く): 16984640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 6197, 12394, 24788, 30985, 49576, 61970, 123940, 247880, 328441, 656882, 1313764, 1642205, 2627528, 3284410, 6568820, 13137640]

約数ペア:

[(1, 13137640), (2, 6568820), (4, 3284410), (5, 2627528), (8, 1642205), (10, 1313764), (20, 656882), (40, 328441), (53, 247880), (106, 123940), (212, 61970), (265, 49576), (424, 30985), (530, 24788), (1060, 12394), (2120, 6197)]