98590000

素因数分解:

$2^4\times 5^4\times {\mathrm{9859}}^1$

素因数の和:9887

約数の個数: 50

約数和(自身を含む): 238720460

約数和(自身を除く): 140130460

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, 5000, 9859, 10000, 19718, 39436, 49295, 78872, 98590, 157744, 197180, 246475, 394360, 492950, 788720, 985900, 1232375, 1971800, 2464750, 3943600, 4929500, 6161875, 9859000, 12323750, 19718000, 24647500, 49295000, 98590000]

約数ペア:

[(1, 98590000), (2, 49295000), (4, 24647500), (5, 19718000), (8, 12323750), (10, 9859000), (16, 6161875), (20, 4929500), (25, 3943600), (40, 2464750), (50, 1971800), (80, 1232375), (100, 985900), (125, 788720), (200, 492950), (250, 394360), (400, 246475), (500, 197180), (625, 157744), (1000, 98590), (1250, 78872), (2000, 49295), (2500, 39436), (5000, 19718), (9859, 10000)]