209689600

素因数分解:

$2^{10}\times 5^2\times {\mathrm{8191}}^1$

素因数の和:8221

約数の個数: 66

約数和(自身を含む): 519839744

約数和(自身を除く): 310150144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1024, 1280, 1600, 2560, 3200, 5120, 6400, 8191, 12800, 16382, 25600, 32764, 40955, 65528, 81910, 131056, 163820, 204775, 262112, 327640, 409550, 524224, 655280, 819100, 1048448, 1310560, 1638200, 2096896, 2621120, 3276400, 4193792, 5242240, 6552800, 8387584, 10484480, 13105600, 20968960, 26211200, 41937920, 52422400, 104844800, 209689600]

約数ペア:

[(1, 209689600), (2, 104844800), (4, 52422400), (5, 41937920), (8, 26211200), (10, 20968960), (16, 13105600), (20, 10484480), (25, 8387584), (32, 6552800), (40, 5242240), (50, 4193792), (64, 3276400), (80, 2621120), (100, 2096896), (128, 1638200), (160, 1310560), (200, 1048448), (256, 819100), (320, 655280), (400, 524224), (512, 409550), (640, 327640), (800, 262112), (1024, 204775), (1280, 163820), (1600, 131056), (2560, 81910), (3200, 65528), (5120, 40955), (6400, 32764), (8191, 25600), (12800, 16382)]