27128720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10939}}^1$

素因数の和:10983

約数の個数: 40

約数和(自身を含む): 65114880

約数和(自身を除く): 37986160

約数列:

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

約数ペア:

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