13079240

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4139}}^1$

素因数の和:4229

約数の個数: 32

約数和(自身を含む): 29808000

約数和(自身を除く): 16728760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 4139, 8278, 16556, 20695, 33112, 41390, 82780, 165560, 326981, 653962, 1307924, 1634905, 2615848, 3269810, 6539620, 13079240]

約数ペア:

[(1, 13079240), (2, 6539620), (4, 3269810), (5, 2615848), (8, 1634905), (10, 1307924), (20, 653962), (40, 326981), (79, 165560), (158, 82780), (316, 41390), (395, 33112), (632, 20695), (790, 16556), (1580, 8278), (3160, 4139)]