25716880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2417}}^1$

素因数の和:2456

約数の個数: 80

約数和(自身を含む): 71959680

約数和(自身を除く): 46242800

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, 2417, 2660, 4834, 5320, 9668, 10640, 12085, 16919, 19336, 24170, 33838, 38672, 45923, 48340, 67676, 84595, 91846, 96680, 135352, 169190, 183692, 193360, 229615, 270704, 321461, 338380, 367384, 459230, 642922, 676760, 734768, 918460, 1285844, 1353520, 1607305, 1836920, 2571688, 3214610, 3673840, 5143376, 6429220, 12858440, 25716880]

約数ペア:

[(1, 25716880), (2, 12858440), (4, 6429220), (5, 5143376), (7, 3673840), (8, 3214610), (10, 2571688), (14, 1836920), (16, 1607305), (19, 1353520), (20, 1285844), (28, 918460), (35, 734768), (38, 676760), (40, 642922), (56, 459230), (70, 367384), (76, 338380), (80, 321461), (95, 270704), (112, 229615), (133, 193360), (140, 183692), (152, 169190), (190, 135352), (266, 96680), (280, 91846), (304, 84595), (380, 67676), (532, 48340), (560, 45923), (665, 38672), (760, 33838), (1064, 24170), (1330, 19336), (1520, 16919), (2128, 12085), (2417, 10640), (2660, 9668), (4834, 5320)]