56237680

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9901}}^1$

素因数の和:9985

約数の個数: 40

約数和(自身を含む): 132607584

約数和(自身を除く): 76369904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 9901, 19802, 39604, 49505, 79208, 99010, 158416, 198020, 396040, 702971, 792080, 1405942, 2811884, 3514855, 5623768, 7029710, 11247536, 14059420, 28118840, 56237680]

約数ペア:

[(1, 56237680), (2, 28118840), (4, 14059420), (5, 11247536), (8, 7029710), (10, 5623768), (16, 3514855), (20, 2811884), (40, 1405942), (71, 792080), (80, 702971), (142, 396040), (284, 198020), (355, 158416), (568, 99010), (710, 79208), (1136, 49505), (1420, 39604), (2840, 19802), (5680, 9901)]