1800000065

素因数分解:

$5^1\times {\mathrm{251}}^1\times {\mathrm{631}}^1\times {\mathrm{2273}}^1$

素因数の和:3160

約数の個数: 16

約数和(自身を含む): 2172998016

約数和(自身を除く): 372997951

約数列:

[1, 5, 251, 631, 1255, 2273, 3155, 11365, 158381, 570523, 791905, 1434263, 2852615, 7171315, 360000013, 1800000065]

約数ペア:

[(1, 1800000065), (5, 360000013), (251, 7171315), (631, 2852615), (1255, 1434263), (2273, 791905), (3155, 570523), (11365, 158381)]