27725780

素因数分解:

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

素因数の和:464

約数の個数: 48

約数和(自身を含む): 60673536

約数和(自身を除く): 32947756

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 197, 227, 310, 394, 454, 620, 788, 908, 985, 1135, 1970, 2270, 3940, 4540, 6107, 7037, 12214, 14074, 24428, 28148, 30535, 35185, 44719, 61070, 70370, 89438, 122140, 140740, 178876, 223595, 447190, 894380, 1386289, 2772578, 5545156, 6931445, 13862890, 27725780]

約数ペア:

[(1, 27725780), (2, 13862890), (4, 6931445), (5, 5545156), (10, 2772578), (20, 1386289), (31, 894380), (62, 447190), (124, 223595), (155, 178876), (197, 140740), (227, 122140), (310, 89438), (394, 70370), (454, 61070), (620, 44719), (788, 35185), (908, 30535), (985, 28148), (1135, 24428), (1970, 14074), (2270, 12214), (3940, 7037), (4540, 6107)]