99940640

素因数分解:

$2^5\times 5^1\times {\mathrm{709}}^1\times {\mathrm{881}}^1$

素因数の和:1605

約数の個数: 48

約数和(自身を含む): 236711160

約数和(自身を除く): 136770520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 709, 881, 1418, 1762, 2836, 3524, 3545, 4405, 5672, 7048, 7090, 8810, 11344, 14096, 14180, 17620, 22688, 28192, 28360, 35240, 56720, 70480, 113440, 140960, 624629, 1249258, 2498516, 3123145, 4997032, 6246290, 9994064, 12492580, 19988128, 24985160, 49970320, 99940640]

約数ペア:

[(1, 99940640), (2, 49970320), (4, 24985160), (5, 19988128), (8, 12492580), (10, 9994064), (16, 6246290), (20, 4997032), (32, 3123145), (40, 2498516), (80, 1249258), (160, 624629), (709, 140960), (881, 113440), (1418, 70480), (1762, 56720), (2836, 35240), (3524, 28360), (3545, 28192), (4405, 22688), (5672, 17620), (7048, 14180), (7090, 14096), (8810, 11344)]