99860000

素因数分解:

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

素因数の和:5023

約数の個数: 60

約数和(自身を含む): 245719782

約数和(自身を除く): 145859782

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 625, 800, 1000, 1250, 2000, 2500, 4000, 4993, 5000, 9986, 10000, 19972, 20000, 24965, 39944, 49930, 79888, 99860, 124825, 159776, 199720, 249650, 399440, 499300, 624125, 798880, 998600, 1248250, 1997200, 2496500, 3120625, 3994400, 4993000, 6241250, 9986000, 12482500, 19972000, 24965000, 49930000, 99860000]

約数ペア:

[(1, 99860000), (2, 49930000), (4, 24965000), (5, 19972000), (8, 12482500), (10, 9986000), (16, 6241250), (20, 4993000), (25, 3994400), (32, 3120625), (40, 2496500), (50, 1997200), (80, 1248250), (100, 998600), (125, 798880), (160, 624125), (200, 499300), (250, 399440), (400, 249650), (500, 199720), (625, 159776), (800, 124825), (1000, 99860), (1250, 79888), (2000, 49930), (2500, 39944), (4000, 24965), (4993, 20000), (5000, 19972), (9986, 10000)]