201018520

素因数分解:

$2^3\times 5^1\times {\mathrm{1759}}^1\times {\mathrm{2857}}^1$

素因数の和:4627

約数の個数: 32

約数和(自身を含む): 452707200

約数和(自身を除く): 251688680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1759, 2857, 3518, 5714, 7036, 8795, 11428, 14072, 14285, 17590, 22856, 28570, 35180, 57140, 70360, 114280, 5025463, 10050926, 20101852, 25127315, 40203704, 50254630, 100509260, 201018520]

約数ペア:

[(1, 201018520), (2, 100509260), (4, 50254630), (5, 40203704), (8, 25127315), (10, 20101852), (20, 10050926), (40, 5025463), (1759, 114280), (2857, 70360), (3518, 57140), (5714, 35180), (7036, 28570), (8795, 22856), (11428, 17590), (14072, 14285)]