15625730

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:374

約数の個数: 32

約数和(自身を含む): 28894320

約数和(自身を除く): 13268590

約数列:

[1, 2, 5, 10, 89, 97, 178, 181, 194, 362, 445, 485, 890, 905, 970, 1810, 8633, 16109, 17266, 17557, 32218, 35114, 43165, 80545, 86330, 87785, 161090, 175570, 1562573, 3125146, 7812865, 15625730]

約数ペア:

[(1, 15625730), (2, 7812865), (5, 3125146), (10, 1562573), (89, 175570), (97, 161090), (178, 87785), (181, 86330), (194, 80545), (362, 43165), (445, 35114), (485, 32218), (890, 17557), (905, 17266), (970, 16109), (1810, 8633)]