1081004020

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{106189}}^1$

素因数の和:106707

約数の個数: 24

約数和(自身を含む): 2274589800

約数和(自身を除く): 1193585780

約数列:

[1, 2, 4, 5, 10, 20, 509, 1018, 2036, 2545, 5090, 10180, 106189, 212378, 424756, 530945, 1061890, 2123780, 54050201, 108100402, 216200804, 270251005, 540502010, 1081004020]

約数ペア:

[(1, 1081004020), (2, 540502010), (4, 270251005), (5, 216200804), (10, 108100402), (20, 54050201), (509, 2123780), (1018, 1061890), (2036, 530945), (2545, 424756), (5090, 212378), (10180, 106189)]