About the Number
12439840
2進数表記:101111011101000100100000
漢数字表記:千二百四十三万九千八百四十
素因数分解:
素因数の和:434
約数の個数: 96
約数和(自身を含む): 34836480
約数和(自身を除く): 22396640
約数列:
[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 160, 203, 224, 232, 280, 290, 383, 406, 464, 560, 580, 766, 812, 928, 1015, 1120, 1160, 1532, 1624, 1915, 2030, 2320, 2681, 3064, 3248, 3830, 4060, 4640, 5362, 6128, 6496, 7660, 8120, 10724, 11107, 12256, 13405, 15320, 16240, 21448, 22214, 26810, 30640, 32480, 42896, 44428, 53620, 55535, 61280, 77749, 85792, 88856, 107240, 111070, 155498, 177712, 214480, 222140, 310996, 355424, 388745, 428960, 444280, 621992, 777490, 888560, 1243984, 1554980, 1777120, 2487968, 3109960, 6219920, 12439840]
約数ペア:
[(1, 12439840), (2, 6219920), (4, 3109960), (5, 2487968), (7, 1777120), (8, 1554980), (10, 1243984), (14, 888560), (16, 777490), (20, 621992), (28, 444280), (29, 428960), (32, 388745), (35, 355424), (40, 310996), (56, 222140), (58, 214480), (70, 177712), (80, 155498), (112, 111070), (116, 107240), (140, 88856), (145, 85792), (160, 77749), (203, 61280), (224, 55535), (232, 53620), (280, 44428), (290, 42896), (383, 32480), (406, 30640), (464, 26810), (560, 22214), (580, 21448), (766, 16240), (812, 15320), (928, 13405), (1015, 12256), (1120, 11107), (1160, 10724), (1532, 8120), (1624, 7660), (1915, 6496), (2030, 6128), (2320, 5362), (2681, 4640), (3064, 4060), (3248, 3830)]このpageの処理時間: 0.008317232131958008 seconds