40741168

素因数分解:

$2^4\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:127

約数の個数: 80

約数和(自身を含む): 91487200

約数和(自身を除く): 50746032

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 61, 76, 104, 122, 152, 169, 208, 244, 247, 304, 338, 488, 494, 676, 793, 976, 988, 1159, 1352, 1586, 1976, 2197, 2318, 2704, 3172, 3211, 3952, 4394, 4636, 6344, 6422, 8788, 9272, 10309, 12688, 12844, 15067, 17576, 18544, 20618, 25688, 30134, 35152, 41236, 41743, 51376, 60268, 82472, 83486, 120536, 134017, 164944, 166972, 195871, 241072, 268034, 333944, 391742, 536068, 667888, 783484, 1072136, 1566968, 2144272, 2546323, 3133936, 5092646, 10185292, 20370584, 40741168]

約数ペア:

[(1, 40741168), (2, 20370584), (4, 10185292), (8, 5092646), (13, 3133936), (16, 2546323), (19, 2144272), (26, 1566968), (38, 1072136), (52, 783484), (61, 667888), (76, 536068), (104, 391742), (122, 333944), (152, 268034), (169, 241072), (208, 195871), (244, 166972), (247, 164944), (304, 134017), (338, 120536), (488, 83486), (494, 82472), (676, 60268), (793, 51376), (976, 41743), (988, 41236), (1159, 35152), (1352, 30134), (1586, 25688), (1976, 20618), (2197, 18544), (2318, 17576), (2704, 15067), (3172, 12844), (3211, 12688), (3952, 10309), (4394, 9272), (4636, 8788), (6344, 6422)]