2912800180

素因数分解:

$2^2\times 5^1\times {\mathrm{145640009}}^1$

素因数の和:145640018

約数の個数: 12

約数和(自身を含む): 6116880420

約数和(自身を除く): 3204080240

約数列:

[1, 2, 4, 5, 10, 20, 145640009, 291280018, 582560036, 728200045, 1456400090, 2912800180]

約数ペア:

[(1, 2912800180), (2, 1456400090), (4, 728200045), (5, 582560036), (10, 291280018), (20, 145640009)]