12765640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{18773}}^1$

素因数の和:18801

約数の個数: 32

約数和(自身を含む): 30413880

約数和(自身を除く): 17648240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 18773, 37546, 75092, 93865, 150184, 187730, 319141, 375460, 638282, 750920, 1276564, 1595705, 2553128, 3191410, 6382820, 12765640]

約数ペア:

[(1, 12765640), (2, 6382820), (4, 3191410), (5, 2553128), (8, 1595705), (10, 1276564), (17, 750920), (20, 638282), (34, 375460), (40, 319141), (68, 187730), (85, 150184), (136, 93865), (170, 75092), (340, 37546), (680, 18773)]