80920160

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{8291}}^1$

素因数の和:8367

約数の個数: 48

約数和(自身を含む): 194331312

約数和(自身を除く): 113411152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1952, 2440, 4880, 8291, 9760, 16582, 33164, 41455, 66328, 82910, 132656, 165820, 265312, 331640, 505751, 663280, 1011502, 1326560, 2023004, 2528755, 4046008, 5057510, 8092016, 10115020, 16184032, 20230040, 40460080, 80920160]

約数ペア:

[(1, 80920160), (2, 40460080), (4, 20230040), (5, 16184032), (8, 10115020), (10, 8092016), (16, 5057510), (20, 4046008), (32, 2528755), (40, 2023004), (61, 1326560), (80, 1011502), (122, 663280), (160, 505751), (244, 331640), (305, 265312), (488, 165820), (610, 132656), (976, 82910), (1220, 66328), (1952, 41455), (2440, 33164), (4880, 16582), (8291, 9760)]