40726448

素因数分解:

$2^4\times 7^3\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:251

約数の個数: 80

約数和(自身を含む): 94785600

約数和(自身を除く): 54059152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 49, 56, 82, 98, 112, 164, 181, 196, 287, 328, 343, 362, 392, 574, 656, 686, 724, 784, 1148, 1267, 1372, 1448, 2009, 2296, 2534, 2744, 2896, 4018, 4592, 5068, 5488, 7421, 8036, 8869, 10136, 14063, 14842, 16072, 17738, 20272, 28126, 29684, 32144, 35476, 51947, 56252, 59368, 62083, 70952, 103894, 112504, 118736, 124166, 141904, 207788, 225008, 248332, 363629, 415576, 496664, 727258, 831152, 993328, 1454516, 2545403, 2909032, 5090806, 5818064, 10181612, 20363224, 40726448]

約数ペア:

[(1, 40726448), (2, 20363224), (4, 10181612), (7, 5818064), (8, 5090806), (14, 2909032), (16, 2545403), (28, 1454516), (41, 993328), (49, 831152), (56, 727258), (82, 496664), (98, 415576), (112, 363629), (164, 248332), (181, 225008), (196, 207788), (287, 141904), (328, 124166), (343, 118736), (362, 112504), (392, 103894), (574, 70952), (656, 62083), (686, 59368), (724, 56252), (784, 51947), (1148, 35476), (1267, 32144), (1372, 29684), (1448, 28126), (2009, 20272), (2296, 17738), (2534, 16072), (2744, 14842), (2896, 14063), (4018, 10136), (4592, 8869), (5068, 8036), (5488, 7421)]