56252840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{200903}}^1$

素因数の和:200921

約数の個数: 32

約数和(自身を含む): 144650880

約数和(自身を除く): 88398040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 200903, 401806, 803612, 1004515, 1406321, 1607224, 2009030, 2812642, 4018060, 5625284, 7031605, 8036120, 11250568, 14063210, 28126420, 56252840]

約数ペア:

[(1, 56252840), (2, 28126420), (4, 14063210), (5, 11250568), (7, 8036120), (8, 7031605), (10, 5625284), (14, 4018060), (20, 2812642), (28, 2009030), (35, 1607224), (40, 1406321), (56, 1004515), (70, 803612), (140, 401806), (280, 200903)]