40480840

素因数分解:

$2^3\times 5^1\times {\mathrm{359}}^1\times {\mathrm{2819}}^1$

素因数の和:3189

約数の個数: 32

約数和(自身を含む): 91368000

約数和(自身を除く): 50887160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 359, 718, 1436, 1795, 2819, 2872, 3590, 5638, 7180, 11276, 14095, 14360, 22552, 28190, 56380, 112760, 1012021, 2024042, 4048084, 5060105, 8096168, 10120210, 20240420, 40480840]

約数ペア:

[(1, 40480840), (2, 20240420), (4, 10120210), (5, 8096168), (8, 5060105), (10, 4048084), (20, 2024042), (40, 1012021), (359, 112760), (718, 56380), (1436, 28190), (1795, 22552), (2819, 14360), (2872, 14095), (3590, 11276), (5638, 7180)]