39988940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{48767}}^1$

素因数の和:48817

約数の個数: 24

約数和(自身を含む): 86026752

約数和(自身を除く): 46037812

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 48767, 97534, 195068, 243835, 487670, 975340, 1999447, 3998894, 7997788, 9997235, 19994470, 39988940]

約数ペア:

[(1, 39988940), (2, 19994470), (4, 9997235), (5, 7997788), (10, 3998894), (20, 1999447), (41, 975340), (82, 487670), (164, 243835), (205, 195068), (410, 97534), (820, 48767)]