11038820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{42457}}^1$

素因数の和:42479

約数の個数: 24

約数和(自身を含む): 24965304

約数和(自身を除く): 13926484

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 42457, 84914, 169828, 212285, 424570, 551941, 849140, 1103882, 2207764, 2759705, 5519410, 11038820]

約数ペア:

[(1, 11038820), (2, 5519410), (4, 2759705), (5, 2207764), (10, 1103882), (13, 849140), (20, 551941), (26, 424570), (52, 212285), (65, 169828), (130, 84914), (260, 42457)]