78612880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{51719}}^1$

素因数の和:51751

約数の個数: 40

約数和(自身を含む): 192398400

約数和(自身を除く): 113785520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 51719, 103438, 206876, 258595, 413752, 517190, 827504, 982661, 1034380, 1965322, 2068760, 3930644, 4137520, 4913305, 7861288, 9826610, 15722576, 19653220, 39306440, 78612880]

約数ペア:

[(1, 78612880), (2, 39306440), (4, 19653220), (5, 15722576), (8, 9826610), (10, 7861288), (16, 4913305), (19, 4137520), (20, 3930644), (38, 2068760), (40, 1965322), (76, 1034380), (80, 982661), (95, 827504), (152, 517190), (190, 413752), (304, 258595), (380, 206876), (760, 103438), (1520, 51719)]