80245900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:176

約数の個数: 144

約数和(自身を含む): 212486400

約数和(自身を除く): 132240500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 29, 35, 50, 58, 59, 67, 70, 100, 116, 118, 134, 140, 145, 175, 203, 236, 268, 290, 295, 335, 350, 406, 413, 469, 580, 590, 670, 700, 725, 812, 826, 938, 1015, 1180, 1340, 1450, 1475, 1652, 1675, 1711, 1876, 1943, 2030, 2065, 2345, 2900, 2950, 3350, 3422, 3886, 3953, 4060, 4130, 4690, 5075, 5900, 6700, 6844, 7772, 7906, 8260, 8555, 9380, 9715, 10150, 10325, 11725, 11977, 13601, 15812, 17110, 19430, 19765, 20300, 20650, 23450, 23954, 27202, 27671, 34220, 38860, 39530, 41300, 42775, 46900, 47908, 48575, 54404, 55342, 59885, 68005, 79060, 85550, 97150, 98825, 110684, 114637, 119770, 136010, 138355, 171100, 194300, 197650, 229274, 239540, 272020, 276710, 299425, 340025, 395300, 458548, 553420, 573185, 598850, 680050, 691775, 802459, 1146370, 1197700, 1360100, 1383550, 1604918, 2292740, 2767100, 2865925, 3209836, 4012295, 5731850, 8024590, 11463700, 16049180, 20061475, 40122950, 80245900]

約数ペア:

[(1, 80245900), (2, 40122950), (4, 20061475), (5, 16049180), (7, 11463700), (10, 8024590), (14, 5731850), (20, 4012295), (25, 3209836), (28, 2865925), (29, 2767100), (35, 2292740), (50, 1604918), (58, 1383550), (59, 1360100), (67, 1197700), (70, 1146370), (100, 802459), (116, 691775), (118, 680050), (134, 598850), (140, 573185), (145, 553420), (175, 458548), (203, 395300), (236, 340025), (268, 299425), (290, 276710), (295, 272020), (335, 239540), (350, 229274), (406, 197650), (413, 194300), (469, 171100), (580, 138355), (590, 136010), (670, 119770), (700, 114637), (725, 110684), (812, 98825), (826, 97150), (938, 85550), (1015, 79060), (1180, 68005), (1340, 59885), (1450, 55342), (1475, 54404), (1652, 48575), (1675, 47908), (1711, 46900), (1876, 42775), (1943, 41300), (2030, 39530), (2065, 38860), (2345, 34220), (2900, 27671), (2950, 27202), (3350, 23954), (3422, 23450), (3886, 20650), (3953, 20300), (4060, 19765), (4130, 19430), (4690, 17110), (5075, 15812), (5900, 13601), (6700, 11977), (6844, 11725), (7772, 10325), (7906, 10150), (8260, 9715), (8555, 9380)]