26919280

素因数分解:

$2^4\times 5^1\times {\mathrm{336491}}^1$

素因数の和:336504

約数の個数: 20

約数和(自身を含む): 62587512

約数和(自身を除く): 35668232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 336491, 672982, 1345964, 1682455, 2691928, 3364910, 5383856, 6729820, 13459640, 26919280]

約数ペア:

[(1, 26919280), (2, 13459640), (4, 6729820), (5, 5383856), (8, 3364910), (10, 2691928), (16, 1682455), (20, 1345964), (40, 672982), (80, 336491)]