28037890

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{35491}}^1$

素因数の和:35577

約数の個数: 16

約数和(自身を含む): 51108480

約数和(自身を除く): 23070590

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 35491, 70982, 177455, 354910, 2803789, 5607578, 14018945, 28037890]

約数ペア:

[(1, 28037890), (2, 14018945), (5, 5607578), (10, 2803789), (79, 354910), (158, 177455), (395, 70982), (790, 35491)]