871147280

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{153371}}^1$

素因数の和:153455

約数の個数: 40

約数和(自身を含む): 2053957824

約数和(自身を除く): 1182810544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 153371, 306742, 613484, 766855, 1226968, 1533710, 2453936, 3067420, 6134840, 10889341, 12269680, 21778682, 43557364, 54446705, 87114728, 108893410, 174229456, 217786820, 435573640, 871147280]

約数ペア:

[(1, 871147280), (2, 435573640), (4, 217786820), (5, 174229456), (8, 108893410), (10, 87114728), (16, 54446705), (20, 43557364), (40, 21778682), (71, 12269680), (80, 10889341), (142, 6134840), (284, 3067420), (355, 2453936), (568, 1533710), (710, 1226968), (1136, 766855), (1420, 613484), (2840, 306742), (5680, 153371)]