56511940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{68917}}^1$

素因数の和:68967

約数の個数: 24

約数和(自身を含む): 121571352

約数和(自身を除く): 65059412

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 68917, 137834, 275668, 344585, 689170, 1378340, 2825597, 5651194, 11302388, 14127985, 28255970, 56511940]

約数ペア:

[(1, 56511940), (2, 28255970), (4, 14127985), (5, 11302388), (10, 5651194), (20, 2825597), (41, 1378340), (82, 689170), (164, 344585), (205, 275668), (410, 137834), (820, 68917)]