85988840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{307103}}^1$

素因数の和:307121

約数の個数: 32

約数和(自身を含む): 221114880

約数和(自身を除く): 135126040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 307103, 614206, 1228412, 1535515, 2149721, 2456824, 3071030, 4299442, 6142060, 8598884, 10748605, 12284120, 17197768, 21497210, 42994420, 85988840]

約数ペア:

[(1, 85988840), (2, 42994420), (4, 21497210), (5, 17197768), (7, 12284120), (8, 10748605), (10, 8598884), (14, 6142060), (20, 4299442), (28, 3071030), (35, 2456824), (40, 2149721), (56, 1535515), (70, 1228412), (140, 614206), (280, 307103)]