13335560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{491}}^1$

素因数の和:606

約数の個数: 64

約数和(自身を含む): 34715520

約数和(自身を除く): 21379960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 97, 140, 194, 280, 388, 485, 491, 679, 776, 970, 982, 1358, 1940, 1964, 2455, 2716, 3395, 3437, 3880, 3928, 4910, 5432, 6790, 6874, 9820, 13580, 13748, 17185, 19640, 27160, 27496, 34370, 47627, 68740, 95254, 137480, 190508, 238135, 333389, 381016, 476270, 666778, 952540, 1333556, 1666945, 1905080, 2667112, 3333890, 6667780, 13335560]

約数ペア:

[(1, 13335560), (2, 6667780), (4, 3333890), (5, 2667112), (7, 1905080), (8, 1666945), (10, 1333556), (14, 952540), (20, 666778), (28, 476270), (35, 381016), (40, 333389), (56, 238135), (70, 190508), (97, 137480), (140, 95254), (194, 68740), (280, 47627), (388, 34370), (485, 27496), (491, 27160), (679, 19640), (776, 17185), (970, 13748), (982, 13580), (1358, 9820), (1940, 6874), (1964, 6790), (2455, 5432), (2716, 4910), (3395, 3928), (3437, 3880)]