20252800

素因数分解:

$2^7\times 5^2\times {\mathrm{6329}}^1$

素因数の和:6353

約数の個数: 48

約数和(自身を含む): 50038650

約数和(自身を除く): 29785850

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, 6329, 12658, 25316, 31645, 50632, 63290, 101264, 126580, 158225, 202528, 253160, 316450, 405056, 506320, 632900, 810112, 1012640, 1265800, 2025280, 2531600, 4050560, 5063200, 10126400, 20252800]

約数ペア:

[(1, 20252800), (2, 10126400), (4, 5063200), (5, 4050560), (8, 2531600), (10, 2025280), (16, 1265800), (20, 1012640), (25, 810112), (32, 632900), (40, 506320), (50, 405056), (64, 316450), (80, 253160), (100, 202528), (128, 158225), (160, 126580), (200, 101264), (320, 63290), (400, 50632), (640, 31645), (800, 25316), (1600, 12658), (3200, 6329)]