2477920

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{911}}^1$

素因数の和:943

約数の個数: 48

約数和(自身を含む): 6205248

約数和(自身を除く): 3727328

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 911, 1360, 1822, 2720, 3644, 4555, 7288, 9110, 14576, 15487, 18220, 29152, 30974, 36440, 61948, 72880, 77435, 123896, 145760, 154870, 247792, 309740, 495584, 619480, 1238960, 2477920]

約数ペア:

[(1, 2477920), (2, 1238960), (4, 619480), (5, 495584), (8, 309740), (10, 247792), (16, 154870), (17, 145760), (20, 123896), (32, 77435), (34, 72880), (40, 61948), (68, 36440), (80, 30974), (85, 29152), (136, 18220), (160, 15487), (170, 14576), (272, 9110), (340, 7288), (544, 4555), (680, 3644), (911, 2720), (1360, 1822)]