80520064

素因数分解:

$2^7\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{229}}^1$

素因数の和:351

約数の個数: 64

約数和(自身を含む): 167504400

約数和(自身を除く): 86984336

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 67, 82, 128, 134, 164, 229, 268, 328, 458, 536, 656, 916, 1072, 1312, 1832, 2144, 2624, 2747, 3664, 4288, 5248, 5494, 7328, 8576, 9389, 10988, 14656, 15343, 18778, 21976, 29312, 30686, 37556, 43952, 61372, 75112, 87904, 122744, 150224, 175808, 245488, 300448, 351616, 490976, 600896, 629063, 981952, 1201792, 1258126, 1963904, 2516252, 5032504, 10065008, 20130016, 40260032, 80520064]

約数ペア:

[(1, 80520064), (2, 40260032), (4, 20130016), (8, 10065008), (16, 5032504), (32, 2516252), (41, 1963904), (64, 1258126), (67, 1201792), (82, 981952), (128, 629063), (134, 600896), (164, 490976), (229, 351616), (268, 300448), (328, 245488), (458, 175808), (536, 150224), (656, 122744), (916, 87904), (1072, 75112), (1312, 61372), (1832, 43952), (2144, 37556), (2624, 30686), (2747, 29312), (3664, 21976), (4288, 18778), (5248, 15343), (5494, 14656), (7328, 10988), (8576, 9389)]