87872800

素因数分解:

$2^5\times 5^2\times {\mathrm{109841}}^1$

素因数の和:109861

約数の個数: 36

約数和(自身を含む): 214521426

約数和(自身を除く): 126648626

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 109841, 219682, 439364, 549205, 878728, 1098410, 1757456, 2196820, 2746025, 3514912, 4393640, 5492050, 8787280, 10984100, 17574560, 21968200, 43936400, 87872800]

約数ペア:

[(1, 87872800), (2, 43936400), (4, 21968200), (5, 17574560), (8, 10984100), (10, 8787280), (16, 5492050), (20, 4393640), (25, 3514912), (32, 2746025), (40, 2196820), (50, 1757456), (80, 1098410), (100, 878728), (160, 549205), (200, 439364), (400, 219682), (800, 109841)]