80815748

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{769}}^1$

素因数の和:876

約数の個数: 48

約数和(自身を含む): 159371520

約数和(自身を除く): 78555772

約数列:

[1, 2, 4, 13, 26, 43, 47, 52, 86, 94, 172, 188, 559, 611, 769, 1118, 1222, 1538, 2021, 2236, 2444, 3076, 4042, 8084, 9997, 19994, 26273, 33067, 36143, 39988, 52546, 66134, 72286, 105092, 132268, 144572, 429871, 469859, 859742, 939718, 1554149, 1719484, 1879436, 3108298, 6216596, 20203937, 40407874, 80815748]

約数ペア:

[(1, 80815748), (2, 40407874), (4, 20203937), (13, 6216596), (26, 3108298), (43, 1879436), (47, 1719484), (52, 1554149), (86, 939718), (94, 859742), (172, 469859), (188, 429871), (559, 144572), (611, 132268), (769, 105092), (1118, 72286), (1222, 66134), (1538, 52546), (2021, 39988), (2236, 36143), (2444, 33067), (3076, 26273), (4042, 19994), (8084, 9997)]