80953520

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{233}}^1$

素因数の和:390

約数の個数: 80

約数和(自身を含む): 195335712

約数和(自身を除く): 114382192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 101, 172, 202, 215, 233, 344, 404, 430, 466, 505, 688, 808, 860, 932, 1010, 1165, 1616, 1720, 1864, 2020, 2330, 3440, 3728, 4040, 4343, 4660, 8080, 8686, 9320, 10019, 17372, 18640, 20038, 21715, 23533, 34744, 40076, 43430, 47066, 50095, 69488, 80152, 86860, 94132, 100190, 117665, 160304, 173720, 188264, 200380, 235330, 347440, 376528, 400760, 470660, 801520, 941320, 1011919, 1882640, 2023838, 4047676, 5059595, 8095352, 10119190, 16190704, 20238380, 40476760, 80953520]

約数ペア:

[(1, 80953520), (2, 40476760), (4, 20238380), (5, 16190704), (8, 10119190), (10, 8095352), (16, 5059595), (20, 4047676), (40, 2023838), (43, 1882640), (80, 1011919), (86, 941320), (101, 801520), (172, 470660), (202, 400760), (215, 376528), (233, 347440), (344, 235330), (404, 200380), (430, 188264), (466, 173720), (505, 160304), (688, 117665), (808, 100190), (860, 94132), (932, 86860), (1010, 80152), (1165, 69488), (1616, 50095), (1720, 47066), (1864, 43430), (2020, 40076), (2330, 34744), (3440, 23533), (3728, 21715), (4040, 20038), (4343, 18640), (4660, 17372), (8080, 10019), (8686, 9320)]