164529520

素因数分解:

$2^4\times 5^1\times {\mathrm{271}}^1\times {\mathrm{7589}}^1$

素因数の和:7873

約数の個数: 40

約数和(自身を含む): 383993280

約数和(自身を除く): 219463760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 271, 542, 1084, 1355, 2168, 2710, 4336, 5420, 7589, 10840, 15178, 21680, 30356, 37945, 60712, 75890, 121424, 151780, 303560, 607120, 2056619, 4113238, 8226476, 10283095, 16452952, 20566190, 32905904, 41132380, 82264760, 164529520]

約数ペア:

[(1, 164529520), (2, 82264760), (4, 41132380), (5, 32905904), (8, 20566190), (10, 16452952), (16, 10283095), (20, 8226476), (40, 4113238), (80, 2056619), (271, 607120), (542, 303560), (1084, 151780), (1355, 121424), (2168, 75890), (2710, 60712), (4336, 37945), (5420, 30356), (7589, 21680), (10840, 15178)]