131082620

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{19801}}^1$

素因数の和:20141

約数の個数: 24

約数和(自身を含む): 276119088

約数和(自身を除く): 145036468

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 3310, 6620, 19801, 39602, 79204, 99005, 198010, 396020, 6554131, 13108262, 26216524, 32770655, 65541310, 131082620]

約数ペア:

[(1, 131082620), (2, 65541310), (4, 32770655), (5, 26216524), (10, 13108262), (20, 6554131), (331, 396020), (662, 198010), (1324, 99005), (1655, 79204), (3310, 39602), (6620, 19801)]