130739120

素因数分解:

$2^4\times 5^1\times {\mathrm{1634239}}^1$

素因数の和:1634252

約数の個数: 20

約数和(自身を含む): 303968640

約数和(自身を除く): 173229520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1634239, 3268478, 6536956, 8171195, 13073912, 16342390, 26147824, 32684780, 65369560, 130739120]

約数ペア:

[(1, 130739120), (2, 65369560), (4, 32684780), (5, 26147824), (8, 16342390), (10, 13073912), (16, 8171195), (20, 6536956), (40, 3268478), (80, 1634239)]