2011110020

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{383}}^1\times {\mathrm{2549}}^1$

素因数の和:3044

約数の個数: 48

約数和(自身を含む): 4277145600

約数和(自身を除く): 2266035580

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 383, 412, 515, 766, 1030, 1532, 1915, 2060, 2549, 3830, 5098, 7660, 10196, 12745, 25490, 39449, 50980, 78898, 157796, 197245, 262547, 394490, 525094, 788980, 976267, 1050188, 1312735, 1952534, 2625470, 3905068, 4881335, 5250940, 9762670, 19525340, 100555501, 201111002, 402222004, 502777505, 1005555010, 2011110020]

約数ペア:

[(1, 2011110020), (2, 1005555010), (4, 502777505), (5, 402222004), (10, 201111002), (20, 100555501), (103, 19525340), (206, 9762670), (383, 5250940), (412, 4881335), (515, 3905068), (766, 2625470), (1030, 1952534), (1532, 1312735), (1915, 1050188), (2060, 976267), (2549, 788980), (3830, 525094), (5098, 394490), (7660, 262547), (10196, 197245), (12745, 157796), (25490, 78898), (39449, 50980)]