40458680

素因数分解:

$2^3\times 5^1\times {\mathrm{823}}^1\times {\mathrm{1229}}^1$

素因数の和:2063

約数の個数: 32

約数和(自身を含む): 91216800

約数和(自身を除く): 50758120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 823, 1229, 1646, 2458, 3292, 4115, 4916, 6145, 6584, 8230, 9832, 12290, 16460, 24580, 32920, 49160, 1011467, 2022934, 4045868, 5057335, 8091736, 10114670, 20229340, 40458680]

約数ペア:

[(1, 40458680), (2, 20229340), (4, 10114670), (5, 8091736), (8, 5057335), (10, 4045868), (20, 2022934), (40, 1011467), (823, 49160), (1229, 32920), (1646, 24580), (2458, 16460), (3292, 12290), (4115, 9832), (4916, 8230), (6145, 6584)]