28276640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{25247}}^1$

素因数の和:25269

約数の個数: 48

約数和(自身を含む): 76349952

約数和(自身を除く): 48073312

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 25247, 50494, 100988, 126235, 176729, 201976, 252470, 353458, 403952, 504940, 706916, 807904, 883645, 1009880, 1413832, 1767290, 2019760, 2827664, 3534580, 4039520, 5655328, 7069160, 14138320, 28276640]

約数ペア:

[(1, 28276640), (2, 14138320), (4, 7069160), (5, 5655328), (7, 4039520), (8, 3534580), (10, 2827664), (14, 2019760), (16, 1767290), (20, 1413832), (28, 1009880), (32, 883645), (35, 807904), (40, 706916), (56, 504940), (70, 403952), (80, 353458), (112, 252470), (140, 201976), (160, 176729), (224, 126235), (280, 100988), (560, 50494), (1120, 25247)]