2012687980

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{383}}^1\times {\mathrm{2551}}^1$

素因数の和:3046

約数の個数: 48

約数和(自身を含む): 4280500224

約数和(自身を除く): 2267812244

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 383, 412, 515, 766, 1030, 1532, 1915, 2060, 2551, 3830, 5102, 7660, 10204, 12755, 25510, 39449, 51020, 78898, 157796, 197245, 262753, 394490, 525506, 788980, 977033, 1051012, 1313765, 1954066, 2627530, 3908132, 4885165, 5255060, 9770330, 19540660, 100634399, 201268798, 402537596, 503171995, 1006343990, 2012687980]

約数ペア:

[(1, 2012687980), (2, 1006343990), (4, 503171995), (5, 402537596), (10, 201268798), (20, 100634399), (103, 19540660), (206, 9770330), (383, 5255060), (412, 4885165), (515, 3908132), (766, 2627530), (1030, 1954066), (1532, 1313765), (1915, 1051012), (2060, 977033), (2551, 788980), (3830, 525506), (5102, 394490), (7660, 262753), (10204, 197245), (12755, 157796), (25510, 78898), (39449, 51020)]