320031205

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{509}}^1\times {\mathrm{569}}^1$

素因数の和:1113

約数の個数: 32

約数和(自身を含む): 439538400

約数和(自身を除く): 119507195

約数列:

[1, 5, 13, 17, 65, 85, 221, 509, 569, 1105, 2545, 2845, 6617, 7397, 8653, 9673, 33085, 36985, 43265, 48365, 112489, 125749, 289621, 562445, 628745, 1448105, 3765073, 4923557, 18825365, 24617785, 64006241, 320031205]

約数ペア:

[(1, 320031205), (5, 64006241), (13, 24617785), (17, 18825365), (65, 4923557), (85, 3765073), (221, 1448105), (509, 628745), (569, 562445), (1105, 289621), (2545, 125749), (2845, 112489), (6617, 48365), (7397, 43265), (8653, 36985), (9673, 33085)]