80287985

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 103514112

約数和(自身を除く): 23226127

約数列:

[1, 5, 31, 47, 103, 107, 155, 235, 515, 535, 1457, 3193, 3317, 4841, 5029, 7285, 11021, 15965, 16585, 24205, 25145, 55105, 150071, 155899, 341651, 517987, 750355, 779495, 1708255, 2589935, 16057597, 80287985]

約数ペア:

[(1, 80287985), (5, 16057597), (31, 2589935), (47, 1708255), (103, 779495), (107, 750355), (155, 517987), (235, 341651), (515, 155899), (535, 150071), (1457, 55105), (3193, 25145), (3317, 24205), (4841, 16585), (5029, 15965), (7285, 11021)]