39986512

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{563}}^1$

素因数の和:787

約数の個数: 40

約数和(自身を含む): 81405504

約数和(自身を除く): 41418992

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 193, 368, 386, 563, 772, 1126, 1544, 2252, 3088, 4439, 4504, 8878, 9008, 12949, 17756, 25898, 35512, 51796, 71024, 103592, 108659, 207184, 217318, 434636, 869272, 1738544, 2499157, 4998314, 9996628, 19993256, 39986512]

約数ペア:

[(1, 39986512), (2, 19993256), (4, 9996628), (8, 4998314), (16, 2499157), (23, 1738544), (46, 869272), (92, 434636), (184, 217318), (193, 207184), (368, 108659), (386, 103592), (563, 71024), (772, 51796), (1126, 35512), (1544, 25898), (2252, 17756), (3088, 12949), (4439, 9008), (4504, 8878)]