65155840

素因数分解:

$2^8\times 5^1\times {\mathrm{109}}^1\times {\mathrm{467}}^1$

素因数の和:597

約数の個数: 72

約数和(自身を含む): 157837680

約数和(自身を除く): 92681840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 256, 320, 436, 467, 545, 640, 872, 934, 1090, 1280, 1744, 1868, 2180, 2335, 3488, 3736, 4360, 4670, 6976, 7472, 8720, 9340, 13952, 14944, 17440, 18680, 27904, 29888, 34880, 37360, 50903, 59776, 69760, 74720, 101806, 119552, 139520, 149440, 203612, 254515, 298880, 407224, 509030, 597760, 814448, 1018060, 1628896, 2036120, 3257792, 4072240, 6515584, 8144480, 13031168, 16288960, 32577920, 65155840]

約数ペア:

[(1, 65155840), (2, 32577920), (4, 16288960), (5, 13031168), (8, 8144480), (10, 6515584), (16, 4072240), (20, 3257792), (32, 2036120), (40, 1628896), (64, 1018060), (80, 814448), (109, 597760), (128, 509030), (160, 407224), (218, 298880), (256, 254515), (320, 203612), (436, 149440), (467, 139520), (545, 119552), (640, 101806), (872, 74720), (934, 69760), (1090, 59776), (1280, 50903), (1744, 37360), (1868, 34880), (2180, 29888), (2335, 27904), (3488, 18680), (3736, 17440), (4360, 14944), (4670, 13952), (6976, 9340), (7472, 8720)]