80200880

素因数分解:

$2^4\times 5^1\times {\mathrm{1002511}}^1$

素因数の和:1002524

約数の個数: 20

約数和(自身を含む): 186467232

約数和(自身を除く): 106266352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1002511, 2005022, 4010044, 5012555, 8020088, 10025110, 16040176, 20050220, 40100440, 80200880]

約数ペア:

[(1, 80200880), (2, 40100440), (4, 20050220), (5, 16040176), (8, 10025110), (10, 8020088), (16, 5012555), (20, 4010044), (40, 2005022), (80, 1002511)]