40429520

素因数分解:

$2^4\times 5^1\times {\mathrm{505369}}^1$

素因数の和:505382

約数の個数: 20

約数和(自身を含む): 93998820

約数和(自身を除く): 53569300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 505369, 1010738, 2021476, 2526845, 4042952, 5053690, 8085904, 10107380, 20214760, 40429520]

約数ペア:

[(1, 40429520), (2, 20214760), (4, 10107380), (5, 8085904), (8, 5053690), (10, 4042952), (16, 2526845), (20, 2021476), (40, 1010738), (80, 505369)]