56271760

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9907}}^1$

素因数の和:9991

約数の個数: 40

約数和(自身を含む): 132687936

約数和(自身を除く): 76416176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 9907, 19814, 39628, 49535, 79256, 99070, 158512, 198140, 396280, 703397, 792560, 1406794, 2813588, 3516985, 5627176, 7033970, 11254352, 14067940, 28135880, 56271760]

約数ペア:

[(1, 56271760), (2, 28135880), (4, 14067940), (5, 11254352), (8, 7033970), (10, 5627176), (16, 3516985), (20, 2813588), (40, 1406794), (71, 792560), (80, 703397), (142, 396280), (284, 198140), (355, 158512), (568, 99070), (710, 79256), (1136, 49535), (1420, 39628), (2840, 19814), (5680, 9907)]