40425730

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{809}}^1$

素因数の和:1098

約数の個数: 32

約数和(自身を含む): 76982400

約数和(自身を除く): 36556670

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 263, 526, 809, 1315, 1618, 2630, 4045, 4997, 8090, 9994, 15371, 24985, 30742, 49970, 76855, 153710, 212767, 425534, 1063835, 2127670, 4042573, 8085146, 20212865, 40425730]

約数ペア:

[(1, 40425730), (2, 20212865), (5, 8085146), (10, 4042573), (19, 2127670), (38, 1063835), (95, 425534), (190, 212767), (263, 153710), (526, 76855), (809, 49970), (1315, 30742), (1618, 24985), (2630, 15371), (4045, 9994), (4997, 8090)]