28549600

素因数分解:

$2^5\times 5^2\times {\mathrm{127}}^1\times {\mathrm{281}}^1$

素因数の和:428

約数の個数: 72

約数和(自身を含む): 70495488

約数和(自身を除く): 41945888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 127, 160, 200, 254, 281, 400, 508, 562, 635, 800, 1016, 1124, 1270, 1405, 2032, 2248, 2540, 2810, 3175, 4064, 4496, 5080, 5620, 6350, 7025, 8992, 10160, 11240, 12700, 14050, 20320, 22480, 25400, 28100, 35687, 44960, 50800, 56200, 71374, 101600, 112400, 142748, 178435, 224800, 285496, 356870, 570992, 713740, 892175, 1141984, 1427480, 1784350, 2854960, 3568700, 5709920, 7137400, 14274800, 28549600]

約数ペア:

[(1, 28549600), (2, 14274800), (4, 7137400), (5, 5709920), (8, 3568700), (10, 2854960), (16, 1784350), (20, 1427480), (25, 1141984), (32, 892175), (40, 713740), (50, 570992), (80, 356870), (100, 285496), (127, 224800), (160, 178435), (200, 142748), (254, 112400), (281, 101600), (400, 71374), (508, 56200), (562, 50800), (635, 44960), (800, 35687), (1016, 28100), (1124, 25400), (1270, 22480), (1405, 20320), (2032, 14050), (2248, 12700), (2540, 11240), (2810, 10160), (3175, 8992), (4064, 7025), (4496, 6350), (5080, 5620)]