12898000

素因数分解:

$2^4\times 5^3\times {\mathrm{6449}}^1$

素因数の和:6472

約数の個数: 40

約数和(自身を含む): 31192200

約数和(自身を除く): 18294200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 6449, 12898, 25796, 32245, 51592, 64490, 103184, 128980, 161225, 257960, 322450, 515920, 644900, 806125, 1289800, 1612250, 2579600, 3224500, 6449000, 12898000]

約数ペア:

[(1, 12898000), (2, 6449000), (4, 3224500), (5, 2579600), (8, 1612250), (10, 1289800), (16, 806125), (20, 644900), (25, 515920), (40, 322450), (50, 257960), (80, 161225), (100, 128980), (125, 103184), (200, 64490), (250, 51592), (400, 32245), (500, 25796), (1000, 12898), (2000, 6449)]