55451560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{227}}^1$

素因数の和:466

約数の個数: 64

約数和(自身を含む): 130014720

約数和(自身を除く): 74563160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 197, 227, 248, 310, 394, 454, 620, 788, 908, 985, 1135, 1240, 1576, 1816, 1970, 2270, 3940, 4540, 6107, 7037, 7880, 9080, 12214, 14074, 24428, 28148, 30535, 35185, 44719, 48856, 56296, 61070, 70370, 89438, 122140, 140740, 178876, 223595, 244280, 281480, 357752, 447190, 894380, 1386289, 1788760, 2772578, 5545156, 6931445, 11090312, 13862890, 27725780, 55451560]

約数ペア:

[(1, 55451560), (2, 27725780), (4, 13862890), (5, 11090312), (8, 6931445), (10, 5545156), (20, 2772578), (31, 1788760), (40, 1386289), (62, 894380), (124, 447190), (155, 357752), (197, 281480), (227, 244280), (248, 223595), (310, 178876), (394, 140740), (454, 122140), (620, 89438), (788, 70370), (908, 61070), (985, 56296), (1135, 48856), (1240, 44719), (1576, 35185), (1816, 30535), (1970, 28148), (2270, 24428), (3940, 14074), (4540, 12214), (6107, 9080), (7037, 7880)]