806780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 1905120

約数和(自身を除く): 1098340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 107, 116, 130, 145, 214, 260, 290, 377, 428, 535, 580, 754, 1070, 1391, 1508, 1885, 2140, 2782, 3103, 3770, 5564, 6206, 6955, 7540, 12412, 13910, 15515, 27820, 31030, 40339, 62060, 80678, 161356, 201695, 403390, 806780]

約数ペア:

[(1, 806780), (2, 403390), (4, 201695), (5, 161356), (10, 80678), (13, 62060), (20, 40339), (26, 31030), (29, 27820), (52, 15515), (58, 13910), (65, 12412), (107, 7540), (116, 6955), (130, 6206), (145, 5564), (214, 3770), (260, 3103), (290, 2782), (377, 2140), (428, 1885), (535, 1508), (580, 1391), (754, 1070)]