80177120

素因数分解:

$2^5\times 5^1\times {\mathrm{461}}^1\times {\mathrm{1087}}^1$

素因数の和:1563

約数の個数: 48

約数和(自身を含む): 190003968

約数和(自身を除く): 109826848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 461, 922, 1087, 1844, 2174, 2305, 3688, 4348, 4610, 5435, 7376, 8696, 9220, 10870, 14752, 17392, 18440, 21740, 34784, 36880, 43480, 73760, 86960, 173920, 501107, 1002214, 2004428, 2505535, 4008856, 5011070, 8017712, 10022140, 16035424, 20044280, 40088560, 80177120]

約数ペア:

[(1, 80177120), (2, 40088560), (4, 20044280), (5, 16035424), (8, 10022140), (10, 8017712), (16, 5011070), (20, 4008856), (32, 2505535), (40, 2004428), (80, 1002214), (160, 501107), (461, 173920), (922, 86960), (1087, 73760), (1844, 43480), (2174, 36880), (2305, 34784), (3688, 21740), (4348, 18440), (4610, 17392), (5435, 14752), (7376, 10870), (8696, 9220)]