40971008

素因数分解:

$2^8\times {\mathrm{13}}^2\times {\mathrm{947}}^1$

素因数の和:989

約数の個数: 54

約数和(自身を含む): 88650324

約数和(自身を除く): 47679316

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 208, 256, 338, 416, 676, 832, 947, 1352, 1664, 1894, 2704, 3328, 3788, 5408, 7576, 10816, 12311, 15152, 21632, 24622, 30304, 43264, 49244, 60608, 98488, 121216, 160043, 196976, 242432, 320086, 393952, 640172, 787904, 1280344, 1575808, 2560688, 3151616, 5121376, 10242752, 20485504, 40971008]

約数ペア:

[(1, 40971008), (2, 20485504), (4, 10242752), (8, 5121376), (13, 3151616), (16, 2560688), (26, 1575808), (32, 1280344), (52, 787904), (64, 640172), (104, 393952), (128, 320086), (169, 242432), (208, 196976), (256, 160043), (338, 121216), (416, 98488), (676, 60608), (832, 49244), (947, 43264), (1352, 30304), (1664, 24622), (1894, 21632), (2704, 15152), (3328, 12311), (3788, 10816), (5408, 7576)]