8378320

素因数分解:

$2^4\times 5^1\times {\mathrm{104729}}^1$

素因数の和:104742

約数の個数: 20

約数和(自身を含む): 19479780

約数和(自身を除く): 11101460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 104729, 209458, 418916, 523645, 837832, 1047290, 1675664, 2094580, 4189160, 8378320]

約数ペア:

[(1, 8378320), (2, 4189160), (4, 2094580), (5, 1675664), (8, 1047290), (10, 837832), (16, 523645), (20, 418916), (40, 209458), (80, 104729)]