79038320

素因数分解:

$2^4\times 5^1\times {\mathrm{987979}}^1$

素因数の和:987992

約数の個数: 20

約数和(自身を含む): 183764280

約数和(自身を除く): 104725960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 987979, 1975958, 3951916, 4939895, 7903832, 9879790, 15807664, 19759580, 39519160, 79038320]

約数ペア:

[(1, 79038320), (2, 39519160), (4, 19759580), (5, 15807664), (8, 9879790), (10, 7903832), (16, 4939895), (20, 3951916), (40, 1975958), (80, 987979)]