81640064

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2521}}^1$

素因数の和:2569

約数の個数: 64

約数和(自身を含む): 185215680

約数和(自身を除く): 103575616

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 32, 44, 46, 64, 88, 92, 128, 176, 184, 253, 352, 368, 506, 704, 736, 1012, 1408, 1472, 2024, 2521, 2944, 4048, 5042, 8096, 10084, 16192, 20168, 27731, 32384, 40336, 55462, 57983, 80672, 110924, 115966, 161344, 221848, 231932, 322688, 443696, 463864, 637813, 887392, 927728, 1275626, 1774784, 1855456, 2551252, 3549568, 3710912, 5102504, 7421824, 10205008, 20410016, 40820032, 81640064]

約数ペア:

[(1, 81640064), (2, 40820032), (4, 20410016), (8, 10205008), (11, 7421824), (16, 5102504), (22, 3710912), (23, 3549568), (32, 2551252), (44, 1855456), (46, 1774784), (64, 1275626), (88, 927728), (92, 887392), (128, 637813), (176, 463864), (184, 443696), (253, 322688), (352, 231932), (368, 221848), (506, 161344), (704, 115966), (736, 110924), (1012, 80672), (1408, 57983), (1472, 55462), (2024, 40336), (2521, 32384), (2944, 27731), (4048, 20168), (5042, 16192), (8096, 10084)]