1284253240

素因数分解:

$2^3\times 5^1\times {\mathrm{32106331}}^1$

素因数の和:32106342

約数の個数: 16

約数和(自身を含む): 2889569880

約数和(自身を除く): 1605316640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 32106331, 64212662, 128425324, 160531655, 256850648, 321063310, 642126620, 1284253240]

約数ペア:

[(1, 1284253240), (2, 642126620), (4, 321063310), (5, 256850648), (8, 160531655), (10, 128425324), (20, 64212662), (40, 32106331)]