80717210

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{164729}}^1$

素因数の和:164750

約数の個数: 24

約数和(自身を含む): 169012980

約数和(自身を除く): 88295770

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 164729, 329458, 823645, 1153103, 1647290, 2306206, 5765515, 8071721, 11531030, 16143442, 40358605, 80717210]

約数ペア:

[(1, 80717210), (2, 40358605), (5, 16143442), (7, 11531030), (10, 8071721), (14, 5765515), (35, 2306206), (49, 1647290), (70, 1153103), (98, 823645), (245, 329458), (490, 164729)]