51080000

素因数分解:

$2^6\times 5^4\times {\mathrm{1277}}^1$

素因数の和:1309

約数の個数: 70

約数和(自身を含む): 126760986

約数和(自身を除く): 75680986

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 625, 800, 1000, 1250, 1277, 1600, 2000, 2500, 2554, 4000, 5000, 5108, 6385, 8000, 10000, 10216, 12770, 20000, 20432, 25540, 31925, 40000, 40864, 51080, 63850, 81728, 102160, 127700, 159625, 204320, 255400, 319250, 408640, 510800, 638500, 798125, 1021600, 1277000, 1596250, 2043200, 2554000, 3192500, 5108000, 6385000, 10216000, 12770000, 25540000, 51080000]

約数ペア:

[(1, 51080000), (2, 25540000), (4, 12770000), (5, 10216000), (8, 6385000), (10, 5108000), (16, 3192500), (20, 2554000), (25, 2043200), (32, 1596250), (40, 1277000), (50, 1021600), (64, 798125), (80, 638500), (100, 510800), (125, 408640), (160, 319250), (200, 255400), (250, 204320), (320, 159625), (400, 127700), (500, 102160), (625, 81728), (800, 63850), (1000, 51080), (1250, 40864), (1277, 40000), (1600, 31925), (2000, 25540), (2500, 20432), (2554, 20000), (4000, 12770), (5000, 10216), (5108, 10000), (6385, 8000)]