56720690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{436313}}^1$

素因数の和:436333

約数の個数: 16

約数和(自身を含む): 109951128

約数和(自身を除く): 53230438

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 436313, 872626, 2181565, 4363130, 5672069, 11344138, 28360345, 56720690]

約数ペア:

[(1, 56720690), (2, 28360345), (5, 11344138), (10, 5672069), (13, 4363130), (26, 2181565), (65, 872626), (130, 436313)]