81257030

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{1409}}^1$

素因数の和:1568

約数の個数: 32

約数和(自身を含む): 150249600

約数和(自身を除く): 68992570

約数列:

[1, 2, 5, 10, 73, 79, 146, 158, 365, 395, 730, 790, 1409, 2818, 5767, 7045, 11534, 14090, 28835, 57670, 102857, 111311, 205714, 222622, 514285, 556555, 1028570, 1113110, 8125703, 16251406, 40628515, 81257030]

約数ペア:

[(1, 81257030), (2, 40628515), (5, 16251406), (10, 8125703), (73, 1113110), (79, 1028570), (146, 556555), (158, 514285), (365, 222622), (395, 205714), (730, 111311), (790, 102857), (1409, 57670), (2818, 28835), (5767, 14090), (7045, 11534)]