42565000

素因数分解:

$2^3\times 5^4\times {\mathrm{8513}}^1$

素因数の和:8539

約数の個数: 40

約数和(自身を含む): 99741510

約数和(自身を除く): 57176510

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 8513, 17026, 34052, 42565, 68104, 85130, 170260, 212825, 340520, 425650, 851300, 1064125, 1702600, 2128250, 4256500, 5320625, 8513000, 10641250, 21282500, 42565000]

約数ペア:

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