1320027875

素因数分解:

$5^3\times {\mathrm{509}}^1\times {\mathrm{20747}}^1$

素因数の和:21271

約数の個数: 16

約数和(自身を含む): 1650710880

約数和(自身を除く): 330683005

約数列:

[1, 5, 25, 125, 509, 2545, 12725, 20747, 63625, 103735, 518675, 2593375, 10560223, 52801115, 264005575, 1320027875]

約数ペア:

[(1, 1320027875), (5, 264005575), (25, 52801115), (125, 10560223), (509, 2593375), (2545, 518675), (12725, 103735), (20747, 63625)]