80157740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{10631}}^1$

素因数の和:10682

約数の個数: 48

約数和(自身を含む): 187548480

約数和(自身を除く): 107390740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 3770, 7540, 10631, 21262, 42524, 53155, 106310, 138203, 212620, 276406, 308299, 552812, 616598, 691015, 1233196, 1382030, 1541495, 2764060, 3082990, 4007887, 6165980, 8015774, 16031548, 20039435, 40078870, 80157740]

約数ペア:

[(1, 80157740), (2, 40078870), (4, 20039435), (5, 16031548), (10, 8015774), (13, 6165980), (20, 4007887), (26, 3082990), (29, 2764060), (52, 1541495), (58, 1382030), (65, 1233196), (116, 691015), (130, 616598), (145, 552812), (260, 308299), (290, 276406), (377, 212620), (580, 138203), (754, 106310), (1508, 53155), (1885, 42524), (3770, 21262), (7540, 10631)]