20161180638640

素因数分解:

$2^4\times 5^1\times {\mathrm{252014757983}}^1$

素因数の和:252014757996

約数の個数: 20

約数和(自身を含む): 46874744985024

約数和(自身を除く): 26713564346384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 252014757983, 504029515966, 1008059031932, 1260073789915, 2016118063864, 2520147579830, 4032236127728, 5040295159660, 10080590319320, 20161180638640]

約数ペア:

[(1, 20161180638640), (2, 10080590319320), (4, 5040295159660), (5, 4032236127728), (8, 2520147579830), (10, 2016118063864), (16, 1260073789915), (20, 1008059031932), (40, 504029515966), (80, 252014757983)]