2005127780

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{263}}^1\times {\mathrm{3701}}^1$

素因数の和:4076

約数の個数: 48

約数和(自身を含む): 4268968704

約数和(自身を除く): 2263840924

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 263, 412, 515, 526, 1030, 1052, 1315, 2060, 2630, 3701, 5260, 7402, 14804, 18505, 27089, 37010, 54178, 74020, 108356, 135445, 270890, 381203, 541780, 762406, 973363, 1524812, 1906015, 1946726, 3812030, 3893452, 4866815, 7624060, 9733630, 19467260, 100256389, 200512778, 401025556, 501281945, 1002563890, 2005127780]

約数ペア:

[(1, 2005127780), (2, 1002563890), (4, 501281945), (5, 401025556), (10, 200512778), (20, 100256389), (103, 19467260), (206, 9733630), (263, 7624060), (412, 4866815), (515, 3893452), (526, 3812030), (1030, 1946726), (1052, 1906015), (1315, 1524812), (2060, 973363), (2630, 762406), (3701, 541780), (5260, 381203), (7402, 270890), (14804, 135445), (18505, 108356), (27089, 74020), (37010, 54178)]