65987180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{16253}}^1$

素因数の和:16298

約数の個数: 48

約数和(自身を含む): 163840320

約数和(自身を除く): 97853140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 16253, 32506, 65012, 81265, 113771, 162530, 227542, 325060, 455084, 471337, 568855, 942674, 1137710, 1885348, 2275420, 2356685, 3299359, 4713370, 6598718, 9426740, 13197436, 16496795, 32993590, 65987180]

約数ペア:

[(1, 65987180), (2, 32993590), (4, 16496795), (5, 13197436), (7, 9426740), (10, 6598718), (14, 4713370), (20, 3299359), (28, 2356685), (29, 2275420), (35, 1885348), (58, 1137710), (70, 942674), (116, 568855), (140, 471337), (145, 455084), (203, 325060), (290, 227542), (406, 162530), (580, 113771), (812, 81265), (1015, 65012), (2030, 32506), (4060, 16253)]