1040405

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:220

約数の個数: 16

約数和(自身を含む): 1330560

約数和(自身を除く): 290155

約数列:

[1, 5, 23, 83, 109, 115, 415, 545, 1909, 2507, 9047, 9545, 12535, 45235, 208081, 1040405]

約数ペア:

[(1, 1040405), (5, 208081), (23, 45235), (83, 12535), (109, 9545), (115, 9047), (415, 2507), (545, 1909)]