54257440

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10939}}^1$

素因数の和:10985

約数の個数: 48

約数和(自身を含む): 132330240

約数和(自身を除く): 78072800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 10939, 21878, 43756, 54695, 87512, 109390, 175024, 218780, 339109, 350048, 437560, 678218, 875120, 1356436, 1695545, 1750240, 2712872, 3391090, 5425744, 6782180, 10851488, 13564360, 27128720, 54257440]

約数ペア:

[(1, 54257440), (2, 27128720), (4, 13564360), (5, 10851488), (8, 6782180), (10, 5425744), (16, 3391090), (20, 2712872), (31, 1750240), (32, 1695545), (40, 1356436), (62, 875120), (80, 678218), (124, 437560), (155, 350048), (160, 339109), (248, 218780), (310, 175024), (496, 109390), (620, 87512), (992, 54695), (1240, 43756), (2480, 21878), (4960, 10939)]