12868180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1151}}^1$

素因数の和:1216

約数の個数: 48

約数和(自身を含む): 29804544

約数和(自身を除く): 16936364

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 1151, 2236, 2302, 2795, 4604, 5590, 5755, 11180, 11510, 14963, 23020, 29926, 49493, 59852, 74815, 98986, 149630, 197972, 247465, 299260, 494930, 643409, 989860, 1286818, 2573636, 3217045, 6434090, 12868180]

約数ペア:

[(1, 12868180), (2, 6434090), (4, 3217045), (5, 2573636), (10, 1286818), (13, 989860), (20, 643409), (26, 494930), (43, 299260), (52, 247465), (65, 197972), (86, 149630), (130, 98986), (172, 74815), (215, 59852), (260, 49493), (430, 29926), (559, 23020), (860, 14963), (1118, 11510), (1151, 11180), (2236, 5755), (2302, 5590), (2795, 4604)]