89711360

素因数分解:

$2^8\times 5^1\times {\mathrm{109}}^1\times {\mathrm{643}}^1$

素因数の和:773

約数の個数: 72

約数和(自身を含む): 217195440

約数和(自身を除く): 127484080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 256, 320, 436, 545, 640, 643, 872, 1090, 1280, 1286, 1744, 2180, 2572, 3215, 3488, 4360, 5144, 6430, 6976, 8720, 10288, 12860, 13952, 17440, 20576, 25720, 27904, 34880, 41152, 51440, 69760, 70087, 82304, 102880, 139520, 140174, 164608, 205760, 280348, 350435, 411520, 560696, 700870, 823040, 1121392, 1401740, 2242784, 2803480, 4485568, 5606960, 8971136, 11213920, 17942272, 22427840, 44855680, 89711360]

約数ペア:

[(1, 89711360), (2, 44855680), (4, 22427840), (5, 17942272), (8, 11213920), (10, 8971136), (16, 5606960), (20, 4485568), (32, 2803480), (40, 2242784), (64, 1401740), (80, 1121392), (109, 823040), (128, 700870), (160, 560696), (218, 411520), (256, 350435), (320, 280348), (436, 205760), (545, 164608), (640, 140174), (643, 139520), (872, 102880), (1090, 82304), (1280, 70087), (1286, 69760), (1744, 51440), (2180, 41152), (2572, 34880), (3215, 27904), (3488, 25720), (4360, 20576), (5144, 17440), (6430, 13952), (6976, 12860), (8720, 10288)]