25780720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2423}}^1$

素因数の和:2462

約数の個数: 80

約数和(自身を含む): 72138240

約数和(自身を除く): 46357520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2423, 2660, 4846, 5320, 9692, 10640, 12115, 16961, 19384, 24230, 33922, 38768, 46037, 48460, 67844, 84805, 92074, 96920, 135688, 169610, 184148, 193840, 230185, 271376, 322259, 339220, 368296, 460370, 644518, 678440, 736592, 920740, 1289036, 1356880, 1611295, 1841480, 2578072, 3222590, 3682960, 5156144, 6445180, 12890360, 25780720]

約数ペア:

[(1, 25780720), (2, 12890360), (4, 6445180), (5, 5156144), (7, 3682960), (8, 3222590), (10, 2578072), (14, 1841480), (16, 1611295), (19, 1356880), (20, 1289036), (28, 920740), (35, 736592), (38, 678440), (40, 644518), (56, 460370), (70, 368296), (76, 339220), (80, 322259), (95, 271376), (112, 230185), (133, 193840), (140, 184148), (152, 169610), (190, 135688), (266, 96920), (280, 92074), (304, 84805), (380, 67844), (532, 48460), (560, 46037), (665, 38768), (760, 33922), (1064, 24230), (1330, 19384), (1520, 16961), (2128, 12115), (2423, 10640), (2660, 9692), (4846, 5320)]