61991920

素因数分解:

$2^4\times 5^1\times {\mathrm{827}}^1\times {\mathrm{937}}^1$

素因数の和:1777

約数の個数: 40

約数和(自身を含む): 144459504

約数和(自身を除く): 82467584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 827, 937, 1654, 1874, 3308, 3748, 4135, 4685, 6616, 7496, 8270, 9370, 13232, 14992, 16540, 18740, 33080, 37480, 66160, 74960, 774899, 1549798, 3099596, 3874495, 6199192, 7748990, 12398384, 15497980, 30995960, 61991920]

約数ペア:

[(1, 61991920), (2, 30995960), (4, 15497980), (5, 12398384), (8, 7748990), (10, 6199192), (16, 3874495), (20, 3099596), (40, 1549798), (80, 774899), (827, 74960), (937, 66160), (1654, 37480), (1874, 33080), (3308, 18740), (3748, 16540), (4135, 14992), (4685, 13232), (6616, 9370), (7496, 8270)]