204117440

素因数分解:

$2^6\times 5^1\times {\mathrm{439}}^1\times {\mathrm{1453}}^1$

素因数の和:1909

約数の個数: 56

約数和(自身を含む): 487497120

約数和(自身を除く): 283379680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 439, 878, 1453, 1756, 2195, 2906, 3512, 4390, 5812, 7024, 7265, 8780, 11624, 14048, 14530, 17560, 23248, 28096, 29060, 35120, 46496, 58120, 70240, 92992, 116240, 140480, 232480, 464960, 637867, 1275734, 2551468, 3189335, 5102936, 6378670, 10205872, 12757340, 20411744, 25514680, 40823488, 51029360, 102058720, 204117440]

約数ペア:

[(1, 204117440), (2, 102058720), (4, 51029360), (5, 40823488), (8, 25514680), (10, 20411744), (16, 12757340), (20, 10205872), (32, 6378670), (40, 5102936), (64, 3189335), (80, 2551468), (160, 1275734), (320, 637867), (439, 464960), (878, 232480), (1453, 140480), (1756, 116240), (2195, 92992), (2906, 70240), (3512, 58120), (4390, 46496), (5812, 35120), (7024, 29060), (7265, 28096), (8780, 23248), (11624, 17560), (14048, 14530)]