168679040

素因数分解:

$2^7\times 5^1\times {\mathrm{263561}}^1$

素因数の和:263580

約数の個数: 32

約数和(自身を含む): 403249860

約数和(自身を除く): 234570820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 263561, 527122, 1054244, 1317805, 2108488, 2635610, 4216976, 5271220, 8433952, 10542440, 16867904, 21084880, 33735808, 42169760, 84339520, 168679040]

約数ペア:

[(1, 168679040), (2, 84339520), (4, 42169760), (5, 33735808), (8, 21084880), (10, 16867904), (16, 10542440), (20, 8433952), (32, 5271220), (40, 4216976), (64, 2635610), (80, 2108488), (128, 1317805), (160, 1054244), (320, 527122), (640, 263561)]