131364880

素因数分解:

$2^4\times 5^1\times {\mathrm{419}}^1\times {\mathrm{3919}}^1$

素因数の和:4351

約数の個数: 40

約数和(自身を含む): 306230400

約数和(自身を除く): 174865520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 419, 838, 1676, 2095, 3352, 3919, 4190, 6704, 7838, 8380, 15676, 16760, 19595, 31352, 33520, 39190, 62704, 78380, 156760, 313520, 1642061, 3284122, 6568244, 8210305, 13136488, 16420610, 26272976, 32841220, 65682440, 131364880]

約数ペア:

[(1, 131364880), (2, 65682440), (4, 32841220), (5, 26272976), (8, 16420610), (10, 13136488), (16, 8210305), (20, 6568244), (40, 3284122), (80, 1642061), (419, 313520), (838, 156760), (1676, 78380), (2095, 62704), (3352, 39190), (3919, 33520), (4190, 31352), (6704, 19595), (7838, 16760), (8380, 15676)]