78945820

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{26141}}^1$

素因数の和:26301

約数の個数: 24

約数和(自身を含む): 166890528

約数和(自身を除く): 87944708

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 26141, 52282, 104564, 130705, 261410, 522820, 3947291, 7894582, 15789164, 19736455, 39472910, 78945820]

約数ペア:

[(1, 78945820), (2, 39472910), (4, 19736455), (5, 15789164), (10, 7894582), (20, 3947291), (151, 522820), (302, 261410), (604, 130705), (755, 104564), (1510, 52282), (3020, 26141)]