51971200

素因数分解:

$2^7\times 5^2\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:282

約数の個数: 96

約数和(自身を含む): 130432500

約数和(自身を除く): 78461300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 109, 128, 149, 160, 200, 218, 298, 320, 400, 436, 545, 596, 640, 745, 800, 872, 1090, 1192, 1490, 1600, 1744, 2180, 2384, 2725, 2980, 3200, 3488, 3725, 4360, 4768, 5450, 5960, 6976, 7450, 8720, 9536, 10900, 11920, 13952, 14900, 16241, 17440, 19072, 21800, 23840, 29800, 32482, 34880, 43600, 47680, 59600, 64964, 69760, 81205, 87200, 95360, 119200, 129928, 162410, 174400, 238400, 259856, 324820, 348800, 406025, 476800, 519712, 649640, 812050, 1039424, 1299280, 1624100, 2078848, 2598560, 3248200, 5197120, 6496400, 10394240, 12992800, 25985600, 51971200]

約数ペア:

[(1, 51971200), (2, 25985600), (4, 12992800), (5, 10394240), (8, 6496400), (10, 5197120), (16, 3248200), (20, 2598560), (25, 2078848), (32, 1624100), (40, 1299280), (50, 1039424), (64, 812050), (80, 649640), (100, 519712), (109, 476800), (128, 406025), (149, 348800), (160, 324820), (200, 259856), (218, 238400), (298, 174400), (320, 162410), (400, 129928), (436, 119200), (545, 95360), (596, 87200), (640, 81205), (745, 69760), (800, 64964), (872, 59600), (1090, 47680), (1192, 43600), (1490, 34880), (1600, 32482), (1744, 29800), (2180, 23840), (2384, 21800), (2725, 19072), (2980, 17440), (3200, 16241), (3488, 14900), (3725, 13952), (4360, 11920), (4768, 10900), (5450, 9536), (5960, 8720), (6976, 7450)]