790245520

素因数分解:

$2^4\times 5^1\times {\mathrm{9878069}}^1$

素因数の和:9878082

約数の個数: 20

約数和(自身を含む): 1837321020

約数和(自身を除く): 1047075500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 9878069, 19756138, 39512276, 49390345, 79024552, 98780690, 158049104, 197561380, 395122760, 790245520]

約数ペア:

[(1, 790245520), (2, 395122760), (4, 197561380), (5, 158049104), (8, 98780690), (10, 79024552), (16, 49390345), (20, 39512276), (40, 19756138), (80, 9878069)]