76890040

素因数分解:

$2^3\times 5^1\times {\mathrm{857}}^1\times {\mathrm{2243}}^1$

素因数の和:3111

約数の個数: 32

約数和(自身を含む): 173281680

約数和(自身を除く): 96391640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 857, 1714, 2243, 3428, 4285, 4486, 6856, 8570, 8972, 11215, 17140, 17944, 22430, 34280, 44860, 89720, 1922251, 3844502, 7689004, 9611255, 15378008, 19222510, 38445020, 76890040]

約数ペア:

[(1, 76890040), (2, 38445020), (4, 19222510), (5, 15378008), (8, 9611255), (10, 7689004), (20, 3844502), (40, 1922251), (857, 89720), (1714, 44860), (2243, 34280), (3428, 22430), (4285, 17944), (4486, 17140), (6856, 11215), (8570, 8972)]