80266252

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 157248000

約数和(自身を除く): 76981748

約数列:

[1, 2, 4, 11, 22, 44, 89, 103, 178, 199, 206, 356, 398, 412, 796, 979, 1133, 1958, 2189, 2266, 3916, 4378, 4532, 8756, 9167, 17711, 18334, 20497, 35422, 36668, 40994, 70844, 81988, 100837, 194821, 201674, 225467, 389642, 403348, 450934, 779284, 901868, 1824233, 3648466, 7296932, 20066563, 40133126, 80266252]

約数ペア:

[(1, 80266252), (2, 40133126), (4, 20066563), (11, 7296932), (22, 3648466), (44, 1824233), (89, 901868), (103, 779284), (178, 450934), (199, 403348), (206, 389642), (356, 225467), (398, 201674), (412, 194821), (796, 100837), (979, 81988), (1133, 70844), (1958, 40994), (2189, 36668), (2266, 35422), (3916, 20497), (4378, 18334), (4532, 17711), (8756, 9167)]