3155000

素因数分解:

$2^3\times 5^4\times {\mathrm{631}}^1$

素因数の和:657

約数の個数: 40

約数和(自身を含む): 7403880

約数和(自身を除く): 4248880

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 631, 1000, 1250, 1262, 2500, 2524, 3155, 5000, 5048, 6310, 12620, 15775, 25240, 31550, 63100, 78875, 126200, 157750, 315500, 394375, 631000, 788750, 1577500, 3155000]

約数ペア:

[(1, 3155000), (2, 1577500), (4, 788750), (5, 631000), (8, 394375), (10, 315500), (20, 157750), (25, 126200), (40, 78875), (50, 63100), (100, 31550), (125, 25240), (200, 15775), (250, 12620), (500, 6310), (625, 5048), (631, 5000), (1000, 3155), (1250, 2524), (1262, 2500)]