1403665840

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{90911}}^1$

素因数の和:91117

約数の個数: 40

約数和(自身を含む): 3280468608

約数和(自身を除く): 1876802768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 965, 1544, 1930, 3088, 3860, 7720, 15440, 90911, 181822, 363644, 454555, 727288, 909110, 1454576, 1818220, 3636440, 7272880, 17545823, 35091646, 70183292, 87729115, 140366584, 175458230, 280733168, 350916460, 701832920, 1403665840]

約数ペア:

[(1, 1403665840), (2, 701832920), (4, 350916460), (5, 280733168), (8, 175458230), (10, 140366584), (16, 87729115), (20, 70183292), (40, 35091646), (80, 17545823), (193, 7272880), (386, 3636440), (772, 1818220), (965, 1454576), (1544, 909110), (1930, 727288), (3088, 454555), (3860, 363644), (7720, 181822), (15440, 90911)]