42026140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{161639}}^1$

素因数の和:161661

約数の個数: 24

約数和(自身を含む): 95044320

約数和(自身を除く): 53018180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 161639, 323278, 646556, 808195, 1616390, 2101307, 3232780, 4202614, 8405228, 10506535, 21013070, 42026140]

約数ペア:

[(1, 42026140), (2, 21013070), (4, 10506535), (5, 8405228), (10, 4202614), (13, 3232780), (20, 2101307), (26, 1616390), (52, 808195), (65, 646556), (130, 323278), (260, 161639)]