80020288

素因数分解:

$2^6\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:375

約数の個数: 56

約数和(自身を含む): 163779200

約数和(自身を除く): 83758912

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 103, 122, 199, 206, 244, 398, 412, 488, 796, 824, 976, 1592, 1648, 1952, 3184, 3296, 3904, 6283, 6368, 6592, 12139, 12566, 12736, 20497, 24278, 25132, 40994, 48556, 50264, 81988, 97112, 100528, 163976, 194224, 201056, 327952, 388448, 402112, 655904, 776896, 1250317, 1311808, 2500634, 5001268, 10002536, 20005072, 40010144, 80020288]

約数ペア:

[(1, 80020288), (2, 40010144), (4, 20005072), (8, 10002536), (16, 5001268), (32, 2500634), (61, 1311808), (64, 1250317), (103, 776896), (122, 655904), (199, 402112), (206, 388448), (244, 327952), (398, 201056), (412, 194224), (488, 163976), (796, 100528), (824, 97112), (976, 81988), (1592, 50264), (1648, 48556), (1952, 40994), (3184, 25132), (3296, 24278), (3904, 20497), (6283, 12736), (6368, 12566), (6592, 12139)]