71941880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43867}}^1$

素因数の和:43919

約数の個数: 32

約数和(自身を含む): 165821040

約数和(自身を除く): 93879160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 43867, 87734, 175468, 219335, 350936, 438670, 877340, 1754680, 1798547, 3597094, 7194188, 8992735, 14388376, 17985470, 35970940, 71941880]

約数ペア:

[(1, 71941880), (2, 35970940), (4, 17985470), (5, 14388376), (8, 8992735), (10, 7194188), (20, 3597094), (40, 1798547), (41, 1754680), (82, 877340), (164, 438670), (205, 350936), (328, 219335), (410, 175468), (820, 87734), (1640, 43867)]