39889460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{153421}}^1$

素因数の和:153443

約数の個数: 24

約数和(自身を含む): 90212136

約数和(自身を除く): 50322676

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 153421, 306842, 613684, 767105, 1534210, 1994473, 3068420, 3988946, 7977892, 9972365, 19944730, 39889460]

約数ペア:

[(1, 39889460), (2, 19944730), (4, 9972365), (5, 7977892), (10, 3988946), (13, 3068420), (20, 1994473), (26, 1534210), (52, 767105), (65, 613684), (130, 306842), (260, 153421)]