8430440

素因数分解:

$2^3\times 5^1\times {\mathrm{210761}}^1$

素因数の和:210772

約数の個数: 16

約数和(自身を含む): 18968580

約数和(自身を除く): 10538140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 210761, 421522, 843044, 1053805, 1686088, 2107610, 4215220, 8430440]

約数ペア:

[(1, 8430440), (2, 4215220), (4, 2107610), (5, 1686088), (8, 1053805), (10, 843044), (20, 421522), (40, 210761)]