2560416976

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{3643}}^1$

素因数の和:3804

約数の個数: 80

約数和(自身を含む): 5566865920

約数和(自身を除く): 3006448944

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 109, 124, 208, 218, 248, 403, 436, 496, 806, 872, 1417, 1612, 1744, 2834, 3224, 3379, 3643, 5668, 6448, 6758, 7286, 11336, 13516, 14572, 22672, 27032, 29144, 43927, 47359, 54064, 58288, 87854, 94718, 112933, 175708, 189436, 225866, 351416, 378872, 397087, 451732, 702832, 757744, 794174, 903464, 1468129, 1588348, 1806928, 2936258, 3176696, 5162131, 5872516, 6353392, 10324262, 11745032, 12309697, 20648524, 23490064, 24619394, 41297048, 49238788, 82594096, 98477576, 160026061, 196955152, 320052122, 640104244, 1280208488, 2560416976]

約数ペア:

[(1, 2560416976), (2, 1280208488), (4, 640104244), (8, 320052122), (13, 196955152), (16, 160026061), (26, 98477576), (31, 82594096), (52, 49238788), (62, 41297048), (104, 24619394), (109, 23490064), (124, 20648524), (208, 12309697), (218, 11745032), (248, 10324262), (403, 6353392), (436, 5872516), (496, 5162131), (806, 3176696), (872, 2936258), (1417, 1806928), (1612, 1588348), (1744, 1468129), (2834, 903464), (3224, 794174), (3379, 757744), (3643, 702832), (5668, 451732), (6448, 397087), (6758, 378872), (7286, 351416), (11336, 225866), (13516, 189436), (14572, 175708), (22672, 112933), (27032, 94718), (29144, 87854), (43927, 58288), (47359, 54064)]