40828780

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{25841}}^1$

素因数の和:25929

約数の個数: 24

約数和(自身を含む): 86829120

約数和(自身を除く): 46000340

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 25841, 51682, 103364, 129205, 258410, 516820, 2041439, 4082878, 8165756, 10207195, 20414390, 40828780]

約数ペア:

[(1, 40828780), (2, 20414390), (4, 10207195), (5, 8165756), (10, 4082878), (20, 2041439), (79, 516820), (158, 258410), (316, 129205), (395, 103364), (790, 51682), (1580, 25841)]