12765040

素因数分解:

$2^4\times 5^1\times {\mathrm{159563}}^1$

素因数の和:159576

約数の個数: 20

約数和(自身を含む): 29678904

約数和(自身を除く): 16913864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 159563, 319126, 638252, 797815, 1276504, 1595630, 2553008, 3191260, 6382520, 12765040]

約数ペア:

[(1, 12765040), (2, 6382520), (4, 3191260), (5, 2553008), (8, 1595630), (10, 1276504), (16, 797815), (20, 638252), (40, 319126), (80, 159563)]