9540040

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{3019}}^1$

素因数の和:3109

約数の個数: 32

約数和(自身を含む): 21744000

約数和(自身を除く): 12203960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3019, 3160, 6038, 12076, 15095, 24152, 30190, 60380, 120760, 238501, 477002, 954004, 1192505, 1908008, 2385010, 4770020, 9540040]

約数ペア:

[(1, 9540040), (2, 4770020), (4, 2385010), (5, 1908008), (8, 1192505), (10, 954004), (20, 477002), (40, 238501), (79, 120760), (158, 60380), (316, 30190), (395, 24152), (632, 15095), (790, 12076), (1580, 6038), (3019, 3160)]