55371520

素因数分解:

$2^8\times 5^1\times {\mathrm{181}}^1\times {\mathrm{239}}^1$

素因数の和:441

約数の個数: 72

約数和(自身を含む): 133922880

約数和(自身を除く): 78551360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 181, 239, 256, 320, 362, 478, 640, 724, 905, 956, 1195, 1280, 1448, 1810, 1912, 2390, 2896, 3620, 3824, 4780, 5792, 7240, 7648, 9560, 11584, 14480, 15296, 19120, 23168, 28960, 30592, 38240, 43259, 46336, 57920, 61184, 76480, 86518, 115840, 152960, 173036, 216295, 231680, 305920, 346072, 432590, 692144, 865180, 1384288, 1730360, 2768576, 3460720, 5537152, 6921440, 11074304, 13842880, 27685760, 55371520]

約数ペア:

[(1, 55371520), (2, 27685760), (4, 13842880), (5, 11074304), (8, 6921440), (10, 5537152), (16, 3460720), (20, 2768576), (32, 1730360), (40, 1384288), (64, 865180), (80, 692144), (128, 432590), (160, 346072), (181, 305920), (239, 231680), (256, 216295), (320, 173036), (362, 152960), (478, 115840), (640, 86518), (724, 76480), (905, 61184), (956, 57920), (1195, 46336), (1280, 43259), (1448, 38240), (1810, 30592), (1912, 28960), (2390, 23168), (2896, 19120), (3620, 15296), (3824, 14480), (4780, 11584), (5792, 9560), (7240, 7648)]