1258804940

素因数分解:

$2^2\times 5^1\times {\mathrm{62940247}}^1$

素因数の和:62940256

約数の個数: 12

約数和(自身を含む): 2643490416

約数和(自身を除く): 1384685476

約数列:

[1, 2, 4, 5, 10, 20, 62940247, 125880494, 251760988, 314701235, 629402470, 1258804940]

約数ペア:

[(1, 1258804940), (2, 629402470), (4, 314701235), (5, 251760988), (10, 125880494), (20, 62940247)]