22113920

素因数分解:

$2^7\times 5^1\times {\mathrm{109}}^1\times {\mathrm{317}}^1$

素因数の和:445

約数の個数: 64

約数和(自身を含む): 53519400

約数和(自身を除く): 31405480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 317, 320, 436, 545, 634, 640, 872, 1090, 1268, 1585, 1744, 2180, 2536, 3170, 3488, 4360, 5072, 6340, 6976, 8720, 10144, 12680, 13952, 17440, 20288, 25360, 34553, 34880, 40576, 50720, 69106, 69760, 101440, 138212, 172765, 202880, 276424, 345530, 552848, 691060, 1105696, 1382120, 2211392, 2764240, 4422784, 5528480, 11056960, 22113920]

約数ペア:

[(1, 22113920), (2, 11056960), (4, 5528480), (5, 4422784), (8, 2764240), (10, 2211392), (16, 1382120), (20, 1105696), (32, 691060), (40, 552848), (64, 345530), (80, 276424), (109, 202880), (128, 172765), (160, 138212), (218, 101440), (317, 69760), (320, 69106), (436, 50720), (545, 40576), (634, 34880), (640, 34553), (872, 25360), (1090, 20288), (1268, 17440), (1585, 13952), (1744, 12680), (2180, 10144), (2536, 8720), (3170, 6976), (3488, 6340), (4360, 5072)]