27441280

素因数分解:

$2^7\times 5^1\times {\mathrm{53}}^1\times {\mathrm{809}}^1$

素因数の和:881

約数の個数: 64

約数和(自身を含む): 66922200

約数和(自身を除く): 39480920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 265, 320, 424, 530, 640, 809, 848, 1060, 1618, 1696, 2120, 3236, 3392, 4045, 4240, 6472, 6784, 8090, 8480, 12944, 16180, 16960, 25888, 32360, 33920, 42877, 51776, 64720, 85754, 103552, 129440, 171508, 214385, 258880, 343016, 428770, 517760, 686032, 857540, 1372064, 1715080, 2744128, 3430160, 5488256, 6860320, 13720640, 27441280]

約数ペア:

[(1, 27441280), (2, 13720640), (4, 6860320), (5, 5488256), (8, 3430160), (10, 2744128), (16, 1715080), (20, 1372064), (32, 857540), (40, 686032), (53, 517760), (64, 428770), (80, 343016), (106, 258880), (128, 214385), (160, 171508), (212, 129440), (265, 103552), (320, 85754), (424, 64720), (530, 51776), (640, 42877), (809, 33920), (848, 32360), (1060, 25888), (1618, 16960), (1696, 16180), (2120, 12944), (3236, 8480), (3392, 8090), (4045, 6784), (4240, 6472)]