31193320

素因数分解:

$2^3\times 5^1\times {\mathrm{433}}^1\times {\mathrm{1801}}^1$

素因数の和:2245

約数の個数: 32

約数和(自身を含む): 70386120

約数和(自身を除く): 39192800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 433, 866, 1732, 1801, 2165, 3464, 3602, 4330, 7204, 8660, 9005, 14408, 17320, 18010, 36020, 72040, 779833, 1559666, 3119332, 3899165, 6238664, 7798330, 15596660, 31193320]

約数ペア:

[(1, 31193320), (2, 15596660), (4, 7798330), (5, 6238664), (8, 3899165), (10, 3119332), (20, 1559666), (40, 779833), (433, 72040), (866, 36020), (1732, 18010), (1801, 17320), (2165, 14408), (3464, 9005), (3602, 8660), (4330, 7204)]