80724070

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{164743}}^1$

素因数の和:164764

約数の個数: 24

約数和(自身を含む): 169027344

約数和(自身を除く): 88303274

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 164743, 329486, 823715, 1153201, 1647430, 2306402, 5766005, 8072407, 11532010, 16144814, 40362035, 80724070]

約数ペア:

[(1, 80724070), (2, 40362035), (5, 16144814), (7, 11532010), (10, 8072407), (14, 5766005), (35, 2306402), (49, 1647430), (70, 1153201), (98, 823715), (245, 329486), (490, 164743)]