78822280

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{4703}}^1$

素因数の和:5133

約数の個数: 32

約数和(自身を含む): 177811200

約数和(自身を除く): 98988920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1676, 2095, 3352, 4190, 4703, 8380, 9406, 16760, 18812, 23515, 37624, 47030, 94060, 188120, 1970557, 3941114, 7882228, 9852785, 15764456, 19705570, 39411140, 78822280]

約数ペア:

[(1, 78822280), (2, 39411140), (4, 19705570), (5, 15764456), (8, 9852785), (10, 7882228), (20, 3941114), (40, 1970557), (419, 188120), (838, 94060), (1676, 47030), (2095, 37624), (3352, 23515), (4190, 18812), (4703, 16760), (8380, 9406)]