99996440

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{15923}}^1$

素因数の和:16091

約数の個数: 32

約数和(自身を含む): 226439280

約数和(自身を除く): 126442840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 15923, 31846, 63692, 79615, 127384, 159230, 318460, 636920, 2499911, 4999822, 9999644, 12499555, 19999288, 24999110, 49998220, 99996440]

約数ペア:

[(1, 99996440), (2, 49998220), (4, 24999110), (5, 19999288), (8, 12499555), (10, 9999644), (20, 4999822), (40, 2499911), (157, 636920), (314, 318460), (628, 159230), (785, 127384), (1256, 79615), (1570, 63692), (3140, 31846), (6280, 15923)]