55210880

素因数分解:

$2^7\times 5^1\times {\mathrm{281}}^1\times {\mathrm{307}}^1$

素因数の和:607

約数の個数: 64

約数和(自身を含む): 132889680

約数和(自身を除く): 77678800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 281, 307, 320, 562, 614, 640, 1124, 1228, 1405, 1535, 2248, 2456, 2810, 3070, 4496, 4912, 5620, 6140, 8992, 9824, 11240, 12280, 17984, 19648, 22480, 24560, 35968, 39296, 44960, 49120, 86267, 89920, 98240, 172534, 179840, 196480, 345068, 431335, 690136, 862670, 1380272, 1725340, 2760544, 3450680, 5521088, 6901360, 11042176, 13802720, 27605440, 55210880]

約数ペア:

[(1, 55210880), (2, 27605440), (4, 13802720), (5, 11042176), (8, 6901360), (10, 5521088), (16, 3450680), (20, 2760544), (32, 1725340), (40, 1380272), (64, 862670), (80, 690136), (128, 431335), (160, 345068), (281, 196480), (307, 179840), (320, 172534), (562, 98240), (614, 89920), (640, 86267), (1124, 49120), (1228, 44960), (1405, 39296), (1535, 35968), (2248, 24560), (2456, 22480), (2810, 19648), (3070, 17984), (4496, 12280), (4912, 11240), (5620, 9824), (6140, 8992)]