25557560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{941}}^1$

素因数の和:1056

約数の個数: 64

約数和(自身を含む): 66467520

約数和(自身を除く): 40909960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 97, 140, 194, 280, 388, 485, 679, 776, 941, 970, 1358, 1882, 1940, 2716, 3395, 3764, 3880, 4705, 5432, 6587, 6790, 7528, 9410, 13174, 13580, 18820, 26348, 27160, 32935, 37640, 52696, 65870, 91277, 131740, 182554, 263480, 365108, 456385, 638939, 730216, 912770, 1277878, 1825540, 2555756, 3194695, 3651080, 5111512, 6389390, 12778780, 25557560]

約数ペア:

[(1, 25557560), (2, 12778780), (4, 6389390), (5, 5111512), (7, 3651080), (8, 3194695), (10, 2555756), (14, 1825540), (20, 1277878), (28, 912770), (35, 730216), (40, 638939), (56, 456385), (70, 365108), (97, 263480), (140, 182554), (194, 131740), (280, 91277), (388, 65870), (485, 52696), (679, 37640), (776, 32935), (941, 27160), (970, 26348), (1358, 18820), (1882, 13580), (1940, 13174), (2716, 9410), (3395, 7528), (3764, 6790), (3880, 6587), (4705, 5432)]