49930000

素因数分解:

$2^4\times 5^4\times {\mathrm{4993}}^1$

素因数の和:5021

約数の個数: 50

約数和(自身を含む): 120909734

約数和(自身を除く): 70979734

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 4993, 5000, 9986, 10000, 19972, 24965, 39944, 49930, 79888, 99860, 124825, 199720, 249650, 399440, 499300, 624125, 998600, 1248250, 1997200, 2496500, 3120625, 4993000, 6241250, 9986000, 12482500, 24965000, 49930000]

約数ペア:

[(1, 49930000), (2, 24965000), (4, 12482500), (5, 9986000), (8, 6241250), (10, 4993000), (16, 3120625), (20, 2496500), (25, 1997200), (40, 1248250), (50, 998600), (80, 624125), (100, 499300), (125, 399440), (200, 249650), (250, 199720), (400, 124825), (500, 99860), (625, 79888), (1000, 49930), (1250, 39944), (2000, 24965), (2500, 19972), (4993, 10000), (5000, 9986)]