85130000

素因数分解:

$2^4\times 5^4\times {\mathrm{8513}}^1$

素因数の和:8541

約数の個数: 50

約数和(自身を含む): 206132454

約数和(自身を除く): 121002454

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, 8513, 10000, 17026, 34052, 42565, 68104, 85130, 136208, 170260, 212825, 340520, 425650, 681040, 851300, 1064125, 1702600, 2128250, 3405200, 4256500, 5320625, 8513000, 10641250, 17026000, 21282500, 42565000, 85130000]

約数ペア:

[(1, 85130000), (2, 42565000), (4, 21282500), (5, 17026000), (8, 10641250), (10, 8513000), (16, 5320625), (20, 4256500), (25, 3405200), (40, 2128250), (50, 1702600), (80, 1064125), (100, 851300), (125, 681040), (200, 425650), (250, 340520), (400, 212825), (500, 170260), (625, 136208), (1000, 85130), (1250, 68104), (2000, 42565), (2500, 34052), (5000, 17026), (8513, 10000)]