20134880

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2063}}^1$

素因数の和:2139

約数の個数: 48

約数和(自身を含む): 48371904

約数和(自身を除く): 28237024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1952, 2063, 2440, 4126, 4880, 8252, 9760, 10315, 16504, 20630, 33008, 41260, 66016, 82520, 125843, 165040, 251686, 330080, 503372, 629215, 1006744, 1258430, 2013488, 2516860, 4026976, 5033720, 10067440, 20134880]

約数ペア:

[(1, 20134880), (2, 10067440), (4, 5033720), (5, 4026976), (8, 2516860), (10, 2013488), (16, 1258430), (20, 1006744), (32, 629215), (40, 503372), (61, 330080), (80, 251686), (122, 165040), (160, 125843), (244, 82520), (305, 66016), (488, 41260), (610, 33008), (976, 20630), (1220, 16504), (1952, 10315), (2063, 9760), (2440, 8252), (4126, 4880)]