81200140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{580001}}^1$

素因数の和:580017

約数の個数: 24

約数和(自身を含む): 194880672

約数和(自身を除く): 113680532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 580001, 1160002, 2320004, 2900005, 4060007, 5800010, 8120014, 11600020, 16240028, 20300035, 40600070, 81200140]

約数ペア:

[(1, 81200140), (2, 40600070), (4, 20300035), (5, 16240028), (7, 11600020), (10, 8120014), (14, 5800010), (20, 4060007), (28, 2900005), (35, 2320004), (70, 1160002), (140, 580001)]