4206040

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1481}}^1$

素因数の和:1563

約数の個数: 32

約数和(自身を含む): 9603360

約数和(自身を除く): 5397320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 1481, 2840, 2962, 5924, 7405, 11848, 14810, 29620, 59240, 105151, 210302, 420604, 525755, 841208, 1051510, 2103020, 4206040]

約数ペア:

[(1, 4206040), (2, 2103020), (4, 1051510), (5, 841208), (8, 525755), (10, 420604), (20, 210302), (40, 105151), (71, 59240), (142, 29620), (284, 14810), (355, 11848), (568, 7405), (710, 5924), (1420, 2962), (1481, 2840)]