13205480

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{6229}}^1$

素因数の和:6293

約数の個数: 32

約数和(自身を含む): 30277800

約数和(自身を除く): 17072320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 6229, 12458, 24916, 31145, 49832, 62290, 124580, 249160, 330137, 660274, 1320548, 1650685, 2641096, 3301370, 6602740, 13205480]

約数ペア:

[(1, 13205480), (2, 6602740), (4, 3301370), (5, 2641096), (8, 1650685), (10, 1320548), (20, 660274), (40, 330137), (53, 249160), (106, 124580), (212, 62290), (265, 49832), (424, 31145), (530, 24916), (1060, 12458), (2120, 6229)]