438430880

素因数分解:

$2^5\times 5^1\times {\mathrm{163}}^1\times {\mathrm{16811}}^1$

素因数の和:16989

約数の個数: 48

約数和(自身を含む): 1042209504

約数和(自身を除く): 603778624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 5216, 6520, 13040, 16811, 26080, 33622, 67244, 84055, 134488, 168110, 268976, 336220, 537952, 672440, 1344880, 2689760, 2740193, 5480386, 10960772, 13700965, 21921544, 27401930, 43843088, 54803860, 87686176, 109607720, 219215440, 438430880]

約数ペア:

[(1, 438430880), (2, 219215440), (4, 109607720), (5, 87686176), (8, 54803860), (10, 43843088), (16, 27401930), (20, 21921544), (32, 13700965), (40, 10960772), (80, 5480386), (160, 2740193), (163, 2689760), (326, 1344880), (652, 672440), (815, 537952), (1304, 336220), (1630, 268976), (2608, 168110), (3260, 134488), (5216, 84055), (6520, 67244), (13040, 33622), (16811, 26080)]