8641220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61723}}^1$

素因数の和:61739

約数の個数: 24

約数和(自身を含む): 20739264

約数和(自身を除く): 12098044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 61723, 123446, 246892, 308615, 432061, 617230, 864122, 1234460, 1728244, 2160305, 4320610, 8641220]

約数ペア:

[(1, 8641220), (2, 4320610), (4, 2160305), (5, 1728244), (7, 1234460), (10, 864122), (14, 617230), (20, 432061), (28, 308615), (35, 246892), (70, 123446), (140, 61723)]