19875200

素因数分解:

$2^7\times 5^2\times {\mathrm{6211}}^1$

素因数の和:6235

約数の個数: 48

約数和(自身を含む): 49105860

約数和(自身を除く): 29230660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 6211, 12422, 24844, 31055, 49688, 62110, 99376, 124220, 155275, 198752, 248440, 310550, 397504, 496880, 621100, 795008, 993760, 1242200, 1987520, 2484400, 3975040, 4968800, 9937600, 19875200]

約数ペア:

[(1, 19875200), (2, 9937600), (4, 4968800), (5, 3975040), (8, 2484400), (10, 1987520), (16, 1242200), (20, 993760), (25, 795008), (32, 621100), (40, 496880), (50, 397504), (64, 310550), (80, 248440), (100, 198752), (128, 155275), (160, 124220), (200, 99376), (320, 62110), (400, 49688), (640, 31055), (800, 24844), (1600, 12422), (3200, 6211)]