6444820

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4079}}^1$

素因数の和:4167

約数の個数: 24

約数和(自身を含む): 13708800

約数和(自身を除く): 7263980

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 4079, 8158, 16316, 20395, 40790, 81580, 322241, 644482, 1288964, 1611205, 3222410, 6444820]

約数ペア:

[(1, 6444820), (2, 3222410), (4, 1611205), (5, 1288964), (10, 644482), (20, 322241), (79, 81580), (158, 40790), (316, 20395), (395, 16316), (790, 8158), (1580, 4079)]