2240140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{16001}}^1$

素因数の和:16017

約数の個数: 24

約数和(自身を含む): 5376672

約数和(自身を除く): 3136532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 16001, 32002, 64004, 80005, 112007, 160010, 224014, 320020, 448028, 560035, 1120070, 2240140]

約数ペア:

[(1, 2240140), (2, 1120070), (4, 560035), (5, 448028), (7, 320020), (10, 224014), (14, 160010), (20, 112007), (28, 80005), (35, 64004), (70, 32002), (140, 16001)]