25461520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2393}}^1$

素因数の和:2432

約数の個数: 80

約数和(自身を含む): 71245440

約数和(自身を除く): 45783920

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, 2393, 2660, 4786, 5320, 9572, 10640, 11965, 16751, 19144, 23930, 33502, 38288, 45467, 47860, 67004, 83755, 90934, 95720, 134008, 167510, 181868, 191440, 227335, 268016, 318269, 335020, 363736, 454670, 636538, 670040, 727472, 909340, 1273076, 1340080, 1591345, 1818680, 2546152, 3182690, 3637360, 5092304, 6365380, 12730760, 25461520]

約数ペア:

[(1, 25461520), (2, 12730760), (4, 6365380), (5, 5092304), (7, 3637360), (8, 3182690), (10, 2546152), (14, 1818680), (16, 1591345), (19, 1340080), (20, 1273076), (28, 909340), (35, 727472), (38, 670040), (40, 636538), (56, 454670), (70, 363736), (76, 335020), (80, 318269), (95, 268016), (112, 227335), (133, 191440), (140, 181868), (152, 167510), (190, 134008), (266, 95720), (280, 90934), (304, 83755), (380, 67004), (532, 47860), (560, 45467), (665, 38288), (760, 33502), (1064, 23930), (1330, 19144), (1520, 16751), (2128, 11965), (2393, 10640), (2660, 9572), (4786, 5320)]