19938264440

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{160637}}^1$

素因数の和:160784

約数の個数: 64

約数和(自身を含む): 46842040800

約数和(自身を除く): 26903776360

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 107, 116, 145, 214, 232, 290, 428, 535, 580, 856, 1070, 1160, 2140, 3103, 4280, 6206, 12412, 15515, 24824, 31030, 62060, 124120, 160637, 321274, 642548, 803185, 1285096, 1606370, 3212740, 4658473, 6425480, 9316946, 17188159, 18633892, 23292365, 34376318, 37267784, 46584730, 68752636, 85940795, 93169460, 137505272, 171881590, 186338920, 343763180, 498456611, 687526360, 996913222, 1993826444, 2492283055, 3987652888, 4984566110, 9969132220, 19938264440]

約数ペア:

[(1, 19938264440), (2, 9969132220), (4, 4984566110), (5, 3987652888), (8, 2492283055), (10, 1993826444), (20, 996913222), (29, 687526360), (40, 498456611), (58, 343763180), (107, 186338920), (116, 171881590), (145, 137505272), (214, 93169460), (232, 85940795), (290, 68752636), (428, 46584730), (535, 37267784), (580, 34376318), (856, 23292365), (1070, 18633892), (1160, 17188159), (2140, 9316946), (3103, 6425480), (4280, 4658473), (6206, 3212740), (12412, 1606370), (15515, 1285096), (24824, 803185), (31030, 642548), (62060, 321274), (124120, 160637)]