80398576

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1$

素因数の和:422

約数の個数: 80

約数和(自身を含む): 177845760

約数和(自身を除く): 97447184

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 47, 68, 76, 94, 136, 152, 188, 272, 304, 323, 331, 376, 646, 662, 752, 799, 893, 1292, 1324, 1598, 1786, 2584, 2648, 3196, 3572, 5168, 5296, 5627, 6289, 6392, 7144, 11254, 12578, 12784, 14288, 15181, 15557, 22508, 25156, 30362, 31114, 45016, 50312, 60724, 62228, 90032, 100624, 106913, 121448, 124456, 213826, 242896, 248912, 264469, 295583, 427652, 528938, 591166, 855304, 1057876, 1182332, 1710608, 2115752, 2364664, 4231504, 4729328, 5024911, 10049822, 20099644, 40199288, 80398576]

約数ペア:

[(1, 80398576), (2, 40199288), (4, 20099644), (8, 10049822), (16, 5024911), (17, 4729328), (19, 4231504), (34, 2364664), (38, 2115752), (47, 1710608), (68, 1182332), (76, 1057876), (94, 855304), (136, 591166), (152, 528938), (188, 427652), (272, 295583), (304, 264469), (323, 248912), (331, 242896), (376, 213826), (646, 124456), (662, 121448), (752, 106913), (799, 100624), (893, 90032), (1292, 62228), (1324, 60724), (1598, 50312), (1786, 45016), (2584, 31114), (2648, 30362), (3196, 25156), (3572, 22508), (5168, 15557), (5296, 15181), (5627, 14288), (6289, 12784), (6392, 12578), (7144, 11254)]