40987388

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{3067}}^1$

素因数の和:3341

約数の個数: 24

約数和(自身を含む): 77571312

約数和(自身を除く): 36583924

約数列:

[1, 2, 4, 13, 26, 52, 257, 514, 1028, 3067, 3341, 6134, 6682, 12268, 13364, 39871, 79742, 159484, 788219, 1576438, 3152876, 10246847, 20493694, 40987388]

約数ペア:

[(1, 40987388), (2, 20493694), (4, 10246847), (13, 3152876), (26, 1576438), (52, 788219), (257, 159484), (514, 79742), (1028, 39871), (3067, 13364), (3341, 12268), (6134, 6682)]