49184290480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1987}}^1\times {\mathrm{23801}}^1$

素因数の和:25814

約数の個数: 80

約数和(自身を含む): 123217051104

約数和(自身を除く): 74032760624

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1987, 3974, 7948, 9935, 15896, 19870, 23801, 25831, 31792, 39740, 47602, 51662, 79480, 95204, 103324, 119005, 129155, 158960, 190408, 206648, 238010, 258310, 309413, 380816, 413296, 476020, 516620, 618826, 952040, 1033240, 1237652, 1547065, 1904080, 2066480, 2475304, 3094130, 4950608, 6188260, 12376520, 24753040, 47292587, 94585174, 189170348, 236462935, 378340696, 472925870, 614803631, 756681392, 945851740, 1229607262, 1891703480, 2459214524, 3074018155, 3783406960, 4918429048, 6148036310, 9836858096, 12296072620, 24592145240, 49184290480]

約数ペア:

[(1, 49184290480), (2, 24592145240), (4, 12296072620), (5, 9836858096), (8, 6148036310), (10, 4918429048), (13, 3783406960), (16, 3074018155), (20, 2459214524), (26, 1891703480), (40, 1229607262), (52, 945851740), (65, 756681392), (80, 614803631), (104, 472925870), (130, 378340696), (208, 236462935), (260, 189170348), (520, 94585174), (1040, 47292587), (1987, 24753040), (3974, 12376520), (7948, 6188260), (9935, 4950608), (15896, 3094130), (19870, 2475304), (23801, 2066480), (25831, 1904080), (31792, 1547065), (39740, 1237652), (47602, 1033240), (51662, 952040), (79480, 618826), (95204, 516620), (103324, 476020), (119005, 413296), (129155, 380816), (158960, 309413), (190408, 258310), (206648, 238010)]