79213720

素因数分解:

$2^3\times 5^1\times {\mathrm{1980343}}^1$

素因数の和:1980354

約数の個数: 16

約数和(自身を含む): 178230960

約数和(自身を除く): 99017240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1980343, 3960686, 7921372, 9901715, 15842744, 19803430, 39606860, 79213720]

約数ペア:

[(1, 79213720), (2, 39606860), (4, 19803430), (5, 15842744), (8, 9901715), (10, 7921372), (20, 3960686), (40, 1980343)]