1325198740

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{366077}}^1$

素因数の和:366267

約数の個数: 24

約数和(自身を含む): 2798300232

約数和(自身を除く): 1473101492

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 366077, 732154, 1464308, 1830385, 3660770, 7321540, 66259937, 132519874, 265039748, 331299685, 662599370, 1325198740]

約数ペア:

[(1, 1325198740), (2, 662599370), (4, 331299685), (5, 265039748), (10, 132519874), (20, 66259937), (181, 7321540), (362, 3660770), (724, 1830385), (905, 1464308), (1810, 732154), (3620, 366077)]