47889920

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1439}}^1$

素因数の和:1475

約数の個数: 80

約数和(自身を含む): 123742080

約数和(自身を除く): 75852160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 640, 832, 1040, 1280, 1439, 1664, 2080, 2560, 2878, 3328, 4160, 5756, 6656, 7195, 8320, 11512, 14390, 16640, 18707, 23024, 28780, 33280, 37414, 46048, 57560, 74828, 92096, 93535, 115120, 149656, 184192, 187070, 230240, 299312, 368384, 374140, 460480, 598624, 736768, 748280, 920960, 1197248, 1496560, 1841920, 2394496, 2993120, 3683840, 4788992, 5986240, 9577984, 11972480, 23944960, 47889920]

約数ペア:

[(1, 47889920), (2, 23944960), (4, 11972480), (5, 9577984), (8, 5986240), (10, 4788992), (13, 3683840), (16, 2993120), (20, 2394496), (26, 1841920), (32, 1496560), (40, 1197248), (52, 920960), (64, 748280), (65, 736768), (80, 598624), (104, 460480), (128, 374140), (130, 368384), (160, 299312), (208, 230240), (256, 187070), (260, 184192), (320, 149656), (416, 115120), (512, 93535), (520, 92096), (640, 74828), (832, 57560), (1040, 46048), (1280, 37414), (1439, 33280), (1664, 28780), (2080, 23024), (2560, 18707), (2878, 16640), (3328, 14390), (4160, 11512), (5756, 8320), (6656, 7195)]