2012510000

素因数分解:

$2^4\times 5^4\times {\mathrm{201251}}^1$

素因数の和:201279

約数の個数: 50

約数和(自身を含む): 4872512172

約数和(自身を除く): 2860002172

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, 10000, 201251, 402502, 805004, 1006255, 1610008, 2012510, 3220016, 4025020, 5031275, 8050040, 10062550, 16100080, 20125100, 25156375, 40250200, 50312750, 80500400, 100625500, 125781875, 201251000, 251563750, 402502000, 503127500, 1006255000, 2012510000]

約数ペア:

[(1, 2012510000), (2, 1006255000), (4, 503127500), (5, 402502000), (8, 251563750), (10, 201251000), (16, 125781875), (20, 100625500), (25, 80500400), (40, 50312750), (50, 40250200), (80, 25156375), (100, 20125100), (125, 16100080), (200, 10062550), (250, 8050040), (400, 5031275), (500, 4025020), (625, 3220016), (1000, 2012510), (1250, 1610008), (2000, 1006255), (2500, 805004), (5000, 402502), (10000, 201251)]