12731000

素因数分解:

$2^3\times 5^3\times {\mathrm{29}}^1\times {\mathrm{439}}^1$

素因数の和:489

約数の個数: 64

約数和(自身を含む): 30888000

約数和(自身を除く): 18157000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 100, 116, 125, 145, 200, 232, 250, 290, 439, 500, 580, 725, 878, 1000, 1160, 1450, 1756, 2195, 2900, 3512, 3625, 4390, 5800, 7250, 8780, 10975, 12731, 14500, 17560, 21950, 25462, 29000, 43900, 50924, 54875, 63655, 87800, 101848, 109750, 127310, 219500, 254620, 318275, 439000, 509240, 636550, 1273100, 1591375, 2546200, 3182750, 6365500, 12731000]

約数ペア:

[(1, 12731000), (2, 6365500), (4, 3182750), (5, 2546200), (8, 1591375), (10, 1273100), (20, 636550), (25, 509240), (29, 439000), (40, 318275), (50, 254620), (58, 219500), (100, 127310), (116, 109750), (125, 101848), (145, 87800), (200, 63655), (232, 54875), (250, 50924), (290, 43900), (439, 29000), (500, 25462), (580, 21950), (725, 17560), (878, 14500), (1000, 12731), (1160, 10975), (1450, 8780), (1756, 7250), (2195, 5800), (2900, 4390), (3512, 3625)]