19528000

素因数分解:

$2^6\times 5^3\times {\mathrm{2441}}^1$

素因数の和:2468

約数の個数: 56

約数和(自身を含む): 48380904

約数和(自身を除く): 28852904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 800, 1000, 1600, 2000, 2441, 4000, 4882, 8000, 9764, 12205, 19528, 24410, 39056, 48820, 61025, 78112, 97640, 122050, 156224, 195280, 244100, 305125, 390560, 488200, 610250, 781120, 976400, 1220500, 1952800, 2441000, 3905600, 4882000, 9764000, 19528000]

約数ペア:

[(1, 19528000), (2, 9764000), (4, 4882000), (5, 3905600), (8, 2441000), (10, 1952800), (16, 1220500), (20, 976400), (25, 781120), (32, 610250), (40, 488200), (50, 390560), (64, 305125), (80, 244100), (100, 195280), (125, 156224), (160, 122050), (200, 97640), (250, 78112), (320, 61025), (400, 48820), (500, 39056), (800, 24410), (1000, 19528), (1600, 12205), (2000, 9764), (2441, 8000), (4000, 4882)]