1320802390

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4554491}}^1$

素因数の和:4554527

約数の個数: 16

約数和(自身を含む): 2459425680

約数和(自身を除く): 1138623290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 4554491, 9108982, 22772455, 45544910, 132080239, 264160478, 660401195, 1320802390]

約数ペア:

[(1, 1320802390), (2, 660401195), (5, 264160478), (10, 132080239), (29, 45544910), (58, 22772455), (145, 9108982), (290, 4554491)]