85430000

素因数分解:

$2^4\times 5^4\times {\mathrm{8543}}^1$

素因数の和:8571

約数の個数: 50

約数和(自身を含む): 206858784

約数和(自身を除く): 121428784

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, 8543, 10000, 17086, 34172, 42715, 68344, 85430, 136688, 170860, 213575, 341720, 427150, 683440, 854300, 1067875, 1708600, 2135750, 3417200, 4271500, 5339375, 8543000, 10678750, 17086000, 21357500, 42715000, 85430000]

約数ペア:

[(1, 85430000), (2, 42715000), (4, 21357500), (5, 17086000), (8, 10678750), (10, 8543000), (16, 5339375), (20, 4271500), (25, 3417200), (40, 2135750), (50, 1708600), (80, 1067875), (100, 854300), (125, 683440), (200, 427150), (250, 341720), (400, 213575), (500, 170860), (625, 136688), (1000, 85430), (1250, 68344), (2000, 42715), (2500, 34172), (5000, 17086), (8543, 10000)]