40628756

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{191}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 83607552

約数和(自身を除く): 42978796

約数列:

[1, 2, 4, 7, 14, 28, 71, 107, 142, 191, 214, 284, 382, 428, 497, 749, 764, 994, 1337, 1498, 1988, 2674, 2996, 5348, 7597, 13561, 15194, 20437, 27122, 30388, 40874, 53179, 54244, 81748, 94927, 106358, 143059, 189854, 212716, 286118, 379708, 572236, 1451027, 2902054, 5804108, 10157189, 20314378, 40628756]

約数ペア:

[(1, 40628756), (2, 20314378), (4, 10157189), (7, 5804108), (14, 2902054), (28, 1451027), (71, 572236), (107, 379708), (142, 286118), (191, 212716), (214, 189854), (284, 143059), (382, 106358), (428, 94927), (497, 81748), (749, 54244), (764, 53179), (994, 40874), (1337, 30388), (1498, 27122), (1988, 20437), (2674, 15194), (2996, 13561), (5348, 7597)]