56313880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{201121}}^1$

素因数の和:201139

約数の個数: 32

約数和(自身を含む): 144807840

約数和(自身を除く): 88493960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 201121, 402242, 804484, 1005605, 1407847, 1608968, 2011210, 2815694, 4022420, 5631388, 7039235, 8044840, 11262776, 14078470, 28156940, 56313880]

約数ペア:

[(1, 56313880), (2, 28156940), (4, 14078470), (5, 11262776), (7, 8044840), (8, 7039235), (10, 5631388), (14, 4022420), (20, 2815694), (28, 2011210), (35, 1608968), (40, 1407847), (56, 1005605), (70, 804484), (140, 402242), (280, 201121)]