2195180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8443}}^1$

素因数の和:8465

約数の個数: 24

約数和(自身を含む): 4965072

約数和(自身を除く): 2769892

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 8443, 16886, 33772, 42215, 84430, 109759, 168860, 219518, 439036, 548795, 1097590, 2195180]

約数ペア:

[(1, 2195180), (2, 1097590), (4, 548795), (5, 439036), (10, 219518), (13, 168860), (20, 109759), (26, 84430), (52, 42215), (65, 33772), (130, 16886), (260, 8443)]