140273440

素因数分解:

$2^5\times 5^1\times {\mathrm{311}}^1\times {\mathrm{2819}}^1$

素因数の和:3145

約数の個数: 48

約数和(自身を含む): 332579520

約数和(自身を除く): 192306080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 311, 622, 1244, 1555, 2488, 2819, 3110, 4976, 5638, 6220, 9952, 11276, 12440, 14095, 22552, 24880, 28190, 45104, 49760, 56380, 90208, 112760, 225520, 451040, 876709, 1753418, 3506836, 4383545, 7013672, 8767090, 14027344, 17534180, 28054688, 35068360, 70136720, 140273440]

約数ペア:

[(1, 140273440), (2, 70136720), (4, 35068360), (5, 28054688), (8, 17534180), (10, 14027344), (16, 8767090), (20, 7013672), (32, 4383545), (40, 3506836), (80, 1753418), (160, 876709), (311, 451040), (622, 225520), (1244, 112760), (1555, 90208), (2488, 56380), (2819, 49760), (3110, 45104), (4976, 28190), (5638, 24880), (6220, 22552), (9952, 14095), (11276, 12440)]