28552880

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5851}}^1$

素因数の和:5925

約数の個数: 40

約数和(自身を含む): 67485264

約数和(自身を除く): 38932384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 5851, 11702, 23404, 29255, 46808, 58510, 93616, 117020, 234040, 356911, 468080, 713822, 1427644, 1784555, 2855288, 3569110, 5710576, 7138220, 14276440, 28552880]

約数ペア:

[(1, 28552880), (2, 14276440), (4, 7138220), (5, 5710576), (8, 3569110), (10, 2855288), (16, 1784555), (20, 1427644), (40, 713822), (61, 468080), (80, 356911), (122, 234040), (244, 117020), (305, 93616), (488, 58510), (610, 46808), (976, 29255), (1220, 23404), (2440, 11702), (4880, 5851)]