9855250

素因数分解:

$2^1\times 5^3\times {\mathrm{79}}^1\times {\mathrm{499}}^1$

素因数の和:595

約数の個数: 32

約数和(自身を含む): 18720000

約数和(自身を除く): 8864750

約数列:

[1, 2, 5, 10, 25, 50, 79, 125, 158, 250, 395, 499, 790, 998, 1975, 2495, 3950, 4990, 9875, 12475, 19750, 24950, 39421, 62375, 78842, 124750, 197105, 394210, 985525, 1971050, 4927625, 9855250]

約数ペア:

[(1, 9855250), (2, 4927625), (5, 1971050), (10, 985525), (25, 394210), (50, 197105), (79, 124750), (125, 78842), (158, 62375), (250, 39421), (395, 24950), (499, 19750), (790, 12475), (998, 9875), (1975, 4990), (2495, 3950)]