25866220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1583}}^1$

素因数の和:1654

約数の個数: 48

約数和(自身を含む): 58544640

約数和(自身を除く): 32678420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 817, 860, 1583, 1634, 3166, 3268, 4085, 6332, 7915, 8170, 15830, 16340, 30077, 31660, 60154, 68069, 120308, 136138, 150385, 272276, 300770, 340345, 601540, 680690, 1293311, 1361380, 2586622, 5173244, 6466555, 12933110, 25866220]

約数ペア:

[(1, 25866220), (2, 12933110), (4, 6466555), (5, 5173244), (10, 2586622), (19, 1361380), (20, 1293311), (38, 680690), (43, 601540), (76, 340345), (86, 300770), (95, 272276), (172, 150385), (190, 136138), (215, 120308), (380, 68069), (430, 60154), (817, 31660), (860, 30077), (1583, 16340), (1634, 15830), (3166, 8170), (3268, 7915), (4085, 6332)]