40142560

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2819}}^1$

素因数の和:2923

約数の個数: 48

約数和(自身を含む): 95936400

約数和(自身を除く): 55793840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1424, 1780, 2819, 2848, 3560, 5638, 7120, 11276, 14095, 14240, 22552, 28190, 45104, 56380, 90208, 112760, 225520, 250891, 451040, 501782, 1003564, 1254455, 2007128, 2508910, 4014256, 5017820, 8028512, 10035640, 20071280, 40142560]

約数ペア:

[(1, 40142560), (2, 20071280), (4, 10035640), (5, 8028512), (8, 5017820), (10, 4014256), (16, 2508910), (20, 2007128), (32, 1254455), (40, 1003564), (80, 501782), (89, 451040), (160, 250891), (178, 225520), (356, 112760), (445, 90208), (712, 56380), (890, 45104), (1424, 28190), (1780, 22552), (2819, 14240), (2848, 14095), (3560, 11276), (5638, 7120)]