129107240

素因数分解:

$2^3\times 5^1\times {\mathrm{3227681}}^1$

素因数の和:3227692

約数の個数: 16

約数和(自身を含む): 290491380

約数和(自身を除く): 161384140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3227681, 6455362, 12910724, 16138405, 25821448, 32276810, 64553620, 129107240]

約数ペア:

[(1, 129107240), (2, 64553620), (4, 32276810), (5, 25821448), (8, 16138405), (10, 12910724), (20, 6455362), (40, 3227681)]