31884800

素因数分解:

$2^9\times 5^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:128

約数の個数: 120

約数和(自身を含む): 82200096

約数和(自身を除く): 50315296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 47, 50, 53, 64, 80, 94, 100, 106, 128, 160, 188, 200, 212, 235, 256, 265, 320, 376, 400, 424, 470, 512, 530, 640, 752, 800, 848, 940, 1060, 1175, 1280, 1325, 1504, 1600, 1696, 1880, 2120, 2350, 2491, 2560, 2650, 3008, 3200, 3392, 3760, 4240, 4700, 4982, 5300, 6016, 6400, 6784, 7520, 8480, 9400, 9964, 10600, 12032, 12455, 12800, 13568, 15040, 16960, 18800, 19928, 21200, 24064, 24910, 27136, 30080, 33920, 37600, 39856, 42400, 49820, 60160, 62275, 67840, 75200, 79712, 84800, 99640, 120320, 124550, 135680, 150400, 159424, 169600, 199280, 249100, 300800, 318848, 339200, 398560, 498200, 601600, 637696, 678400, 797120, 996400, 1275392, 1594240, 1992800, 3188480, 3985600, 6376960, 7971200, 15942400, 31884800]

約数ペア:

[(1, 31884800), (2, 15942400), (4, 7971200), (5, 6376960), (8, 3985600), (10, 3188480), (16, 1992800), (20, 1594240), (25, 1275392), (32, 996400), (40, 797120), (47, 678400), (50, 637696), (53, 601600), (64, 498200), (80, 398560), (94, 339200), (100, 318848), (106, 300800), (128, 249100), (160, 199280), (188, 169600), (200, 159424), (212, 150400), (235, 135680), (256, 124550), (265, 120320), (320, 99640), (376, 84800), (400, 79712), (424, 75200), (470, 67840), (512, 62275), (530, 60160), (640, 49820), (752, 42400), (800, 39856), (848, 37600), (940, 33920), (1060, 30080), (1175, 27136), (1280, 24910), (1325, 24064), (1504, 21200), (1600, 19928), (1696, 18800), (1880, 16960), (2120, 15040), (2350, 13568), (2491, 12800), (2560, 12455), (2650, 12032), (3008, 10600), (3200, 9964), (3392, 9400), (3760, 8480), (4240, 7520), (4700, 6784), (4982, 6400), (5300, 6016)]