489302480

素因数分解:

$2^4\times 5^1\times {\mathrm{6116281}}^1$

素因数の和:6116294

約数の個数: 20

約数和(自身を含む): 1137628452

約数和(自身を除く): 648325972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 6116281, 12232562, 24465124, 30581405, 48930248, 61162810, 97860496, 122325620, 244651240, 489302480]

約数ペア:

[(1, 489302480), (2, 244651240), (4, 122325620), (5, 97860496), (8, 61162810), (10, 48930248), (16, 30581405), (20, 24465124), (40, 12232562), (80, 6116281)]