25796000

素因数分解:

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

素因数の和:6474

約数の個数: 48

約数和(自身を含む): 63390600

約数和(自身を除く): 37594600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 6449, 12898, 25796, 32245, 51592, 64490, 103184, 128980, 161225, 206368, 257960, 322450, 515920, 644900, 806125, 1031840, 1289800, 1612250, 2579600, 3224500, 5159200, 6449000, 12898000, 25796000]

約数ペア:

[(1, 25796000), (2, 12898000), (4, 6449000), (5, 5159200), (8, 3224500), (10, 2579600), (16, 1612250), (20, 1289800), (25, 1031840), (32, 806125), (40, 644900), (50, 515920), (80, 322450), (100, 257960), (125, 206368), (160, 161225), (200, 128980), (250, 103184), (400, 64490), (500, 51592), (800, 32245), (1000, 25796), (2000, 12898), (4000, 6449)]