79767340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{128657}}^1$

素因数の和:128697

約数の個数: 24

約数和(自身を含む): 172916352

約数和(自身を除く): 93149012

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 128657, 257314, 514628, 643285, 1286570, 2573140, 3988367, 7976734, 15953468, 19941835, 39883670, 79767340]

約数ペア:

[(1, 79767340), (2, 39883670), (4, 19941835), (5, 15953468), (10, 7976734), (20, 3988367), (31, 2573140), (62, 1286570), (124, 643285), (155, 514628), (310, 257314), (620, 128657)]