52499440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{389}}^1$

素因数の和:650

約数の個数: 80

約数和(自身を含む): 140437440

約数和(自身を除く): 87938000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 241, 280, 389, 482, 560, 778, 964, 1205, 1556, 1687, 1928, 1945, 2410, 2723, 3112, 3374, 3856, 3890, 4820, 5446, 6224, 6748, 7780, 8435, 9640, 10892, 13496, 13615, 15560, 16870, 19280, 21784, 26992, 27230, 31120, 33740, 43568, 54460, 67480, 93749, 108920, 134960, 187498, 217840, 374996, 468745, 656243, 749992, 937490, 1312486, 1499984, 1874980, 2624972, 3281215, 3749960, 5249944, 6562430, 7499920, 10499888, 13124860, 26249720, 52499440]

約数ペア:

[(1, 52499440), (2, 26249720), (4, 13124860), (5, 10499888), (7, 7499920), (8, 6562430), (10, 5249944), (14, 3749960), (16, 3281215), (20, 2624972), (28, 1874980), (35, 1499984), (40, 1312486), (56, 937490), (70, 749992), (80, 656243), (112, 468745), (140, 374996), (241, 217840), (280, 187498), (389, 134960), (482, 108920), (560, 93749), (778, 67480), (964, 54460), (1205, 43568), (1556, 33740), (1687, 31120), (1928, 27230), (1945, 26992), (2410, 21784), (2723, 19280), (3112, 16870), (3374, 15560), (3856, 13615), (3890, 13496), (4820, 10892), (5446, 9640), (6224, 8435), (6748, 7780)]