81829030

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{199583}}^1$

素因数の和:199631

約数の個数: 16

約数和(自身を含む): 150885504

約数和(自身を除く): 69056474

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 199583, 399166, 997915, 1995830, 8182903, 16365806, 40914515, 81829030]

約数ペア:

[(1, 81829030), (2, 40914515), (5, 16365806), (10, 8182903), (41, 1995830), (82, 997915), (205, 399166), (410, 199583)]