209003104120

素因数分解:

$2^3\times 5^1\times {\mathrm{2203}}^1\times {\mathrm{2371801}}^1$

素因数の和:2374015

約数の個数: 32

約数和(自身を含む): 470470644720

約数和(自身を除く): 261467540600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2203, 4406, 8812, 11015, 17624, 22030, 44060, 88120, 2371801, 4743602, 9487204, 11859005, 18974408, 23718010, 47436020, 94872040, 5225077603, 10450155206, 20900310412, 26125388015, 41800620824, 52250776030, 104501552060, 209003104120]

約数ペア:

[(1, 209003104120), (2, 104501552060), (4, 52250776030), (5, 41800620824), (8, 26125388015), (10, 20900310412), (20, 10450155206), (40, 5225077603), (2203, 94872040), (4406, 47436020), (8812, 23718010), (11015, 18974408), (17624, 11859005), (22030, 9487204), (44060, 4743602), (88120, 2371801)]