91019840

素因数分解:

$2^6\times 5^1\times {\mathrm{461}}^1\times {\mathrm{617}}^1$

素因数の和:1095

約数の個数: 56

約数和(自身を含む): 217563192

約数和(自身を除く): 126543352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 461, 617, 922, 1234, 1844, 2305, 2468, 3085, 3688, 4610, 4936, 6170, 7376, 9220, 9872, 12340, 14752, 18440, 19744, 24680, 29504, 36880, 39488, 49360, 73760, 98720, 147520, 197440, 284437, 568874, 1137748, 1422185, 2275496, 2844370, 4550992, 5688740, 9101984, 11377480, 18203968, 22754960, 45509920, 91019840]

約数ペア:

[(1, 91019840), (2, 45509920), (4, 22754960), (5, 18203968), (8, 11377480), (10, 9101984), (16, 5688740), (20, 4550992), (32, 2844370), (40, 2275496), (64, 1422185), (80, 1137748), (160, 568874), (320, 284437), (461, 197440), (617, 147520), (922, 98720), (1234, 73760), (1844, 49360), (2305, 39488), (2468, 36880), (3085, 29504), (3688, 24680), (4610, 19744), (4936, 18440), (6170, 14752), (7376, 12340), (9220, 9872)]