78825760

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37897}}^1$

素因数の和:37925

約数の個数: 48

約数和(自身を含む): 200556216

約数和(自身を除く): 121730456

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 37897, 75794, 151588, 189485, 303176, 378970, 492661, 606352, 757940, 985322, 1212704, 1515880, 1970644, 2463305, 3031760, 3941288, 4926610, 6063520, 7882576, 9853220, 15765152, 19706440, 39412880, 78825760]

約数ペア:

[(1, 78825760), (2, 39412880), (4, 19706440), (5, 15765152), (8, 9853220), (10, 7882576), (13, 6063520), (16, 4926610), (20, 3941288), (26, 3031760), (32, 2463305), (40, 1970644), (52, 1515880), (65, 1212704), (80, 985322), (104, 757940), (130, 606352), (160, 492661), (208, 378970), (260, 303176), (416, 189485), (520, 151588), (1040, 75794), (2080, 37897)]