8819200

素因数分解:

$2^9\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1$

素因数の和:94

約数の個数: 120

約数和(自身を含む): 23975028

約数和(自身を除く): 15155828

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 53, 64, 65, 80, 100, 104, 106, 128, 130, 160, 200, 208, 212, 256, 260, 265, 320, 325, 400, 416, 424, 512, 520, 530, 640, 650, 689, 800, 832, 848, 1040, 1060, 1280, 1300, 1325, 1378, 1600, 1664, 1696, 2080, 2120, 2560, 2600, 2650, 2756, 3200, 3328, 3392, 3445, 4160, 4240, 5200, 5300, 5512, 6400, 6656, 6784, 6890, 8320, 8480, 10400, 10600, 11024, 12800, 13568, 13780, 16640, 16960, 17225, 20800, 21200, 22048, 27136, 27560, 33280, 33920, 34450, 41600, 42400, 44096, 55120, 67840, 68900, 83200, 84800, 88192, 110240, 135680, 137800, 166400, 169600, 176384, 220480, 275600, 339200, 352768, 440960, 551200, 678400, 881920, 1102400, 1763840, 2204800, 4409600, 8819200]

約数ペア:

[(1, 8819200), (2, 4409600), (4, 2204800), (5, 1763840), (8, 1102400), (10, 881920), (13, 678400), (16, 551200), (20, 440960), (25, 352768), (26, 339200), (32, 275600), (40, 220480), (50, 176384), (52, 169600), (53, 166400), (64, 137800), (65, 135680), (80, 110240), (100, 88192), (104, 84800), (106, 83200), (128, 68900), (130, 67840), (160, 55120), (200, 44096), (208, 42400), (212, 41600), (256, 34450), (260, 33920), (265, 33280), (320, 27560), (325, 27136), (400, 22048), (416, 21200), (424, 20800), (512, 17225), (520, 16960), (530, 16640), (640, 13780), (650, 13568), (689, 12800), (800, 11024), (832, 10600), (848, 10400), (1040, 8480), (1060, 8320), (1280, 6890), (1300, 6784), (1325, 6656), (1378, 6400), (1600, 5512), (1664, 5300), (1696, 5200), (2080, 4240), (2120, 4160), (2560, 3445), (2600, 3392), (2650, 3328), (2756, 3200)]