712532080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{1373}}^1$

素因数の和:1898

約数の個数: 80

約数和(自身を含む): 1788948000

約数和(自身を除く): 1076415920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 499, 520, 998, 1040, 1373, 1996, 2495, 2746, 3992, 4990, 5492, 6487, 6865, 7984, 9980, 10984, 12974, 13730, 17849, 19960, 21968, 25948, 27460, 32435, 35698, 39920, 51896, 54920, 64870, 71396, 89245, 103792, 109840, 129740, 142792, 178490, 259480, 285584, 356980, 518960, 685127, 713960, 1370254, 1427920, 2740508, 3425635, 5481016, 6851270, 8906651, 10962032, 13702540, 17813302, 27405080, 35626604, 44533255, 54810160, 71253208, 89066510, 142506416, 178133020, 356266040, 712532080]

約数ペア:

[(1, 712532080), (2, 356266040), (4, 178133020), (5, 142506416), (8, 89066510), (10, 71253208), (13, 54810160), (16, 44533255), (20, 35626604), (26, 27405080), (40, 17813302), (52, 13702540), (65, 10962032), (80, 8906651), (104, 6851270), (130, 5481016), (208, 3425635), (260, 2740508), (499, 1427920), (520, 1370254), (998, 713960), (1040, 685127), (1373, 518960), (1996, 356980), (2495, 285584), (2746, 259480), (3992, 178490), (4990, 142792), (5492, 129740), (6487, 109840), (6865, 103792), (7984, 89245), (9980, 71396), (10984, 64870), (12974, 54920), (13730, 51896), (17849, 39920), (19960, 35698), (21968, 32435), (25948, 27460)]