8340820

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5279}}^1$

素因数の和:5367

約数の個数: 24

約数和(自身を含む): 17740800

約数和(自身を除く): 9399980

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 5279, 10558, 21116, 26395, 52790, 105580, 417041, 834082, 1668164, 2085205, 4170410, 8340820]

約数ペア:

[(1, 8340820), (2, 4170410), (4, 2085205), (5, 1668164), (10, 834082), (20, 417041), (79, 105580), (158, 52790), (316, 26395), (395, 21116), (790, 10558), (1580, 5279)]