13491620

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{8539}}^1$

素因数の和:8627

約数の個数: 24

約数和(自身を含む): 28694400

約数和(自身を除く): 15202780

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 8539, 17078, 34156, 42695, 85390, 170780, 674581, 1349162, 2698324, 3372905, 6745810, 13491620]

約数ペア:

[(1, 13491620), (2, 6745810), (4, 3372905), (5, 2698324), (10, 1349162), (20, 674581), (79, 170780), (158, 85390), (316, 42695), (395, 34156), (790, 17078), (1580, 8539)]