25056080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{443}}^1$

素因数の和:564

約数の個数: 80

約数和(自身を含む): 67388544

約数和(自身を除く): 42332464

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 101, 112, 140, 202, 280, 404, 443, 505, 560, 707, 808, 886, 1010, 1414, 1616, 1772, 2020, 2215, 2828, 3101, 3535, 3544, 4040, 4430, 5656, 6202, 7070, 7088, 8080, 8860, 11312, 12404, 14140, 15505, 17720, 24808, 28280, 31010, 35440, 44743, 49616, 56560, 62020, 89486, 124040, 178972, 223715, 248080, 313201, 357944, 447430, 626402, 715888, 894860, 1252804, 1566005, 1789720, 2505608, 3132010, 3579440, 5011216, 6264020, 12528040, 25056080]

約数ペア:

[(1, 25056080), (2, 12528040), (4, 6264020), (5, 5011216), (7, 3579440), (8, 3132010), (10, 2505608), (14, 1789720), (16, 1566005), (20, 1252804), (28, 894860), (35, 715888), (40, 626402), (56, 447430), (70, 357944), (80, 313201), (101, 248080), (112, 223715), (140, 178972), (202, 124040), (280, 89486), (404, 62020), (443, 56560), (505, 49616), (560, 44743), (707, 35440), (808, 31010), (886, 28280), (1010, 24808), (1414, 17720), (1616, 15505), (1772, 14140), (2020, 12404), (2215, 11312), (2828, 8860), (3101, 8080), (3535, 7088), (3544, 7070), (4040, 6202), (4430, 5656)]