2588000

素因数分解:

$2^5\times 5^3\times {\mathrm{647}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 6368544

約数和(自身を除く): 3780544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 647, 800, 1000, 1294, 2000, 2588, 3235, 4000, 5176, 6470, 10352, 12940, 16175, 20704, 25880, 32350, 51760, 64700, 80875, 103520, 129400, 161750, 258800, 323500, 517600, 647000, 1294000, 2588000]

約数ペア:

[(1, 2588000), (2, 1294000), (4, 647000), (5, 517600), (8, 323500), (10, 258800), (16, 161750), (20, 129400), (25, 103520), (32, 80875), (40, 64700), (50, 51760), (80, 32350), (100, 25880), (125, 20704), (160, 16175), (200, 12940), (250, 10352), (400, 6470), (500, 5176), (647, 4000), (800, 3235), (1000, 2588), (1294, 2000)]