78078760

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47609}}^1$

素因数の和:47661

約数の個数: 32

約数和(自身を含む): 179965800

約数和(自身を除く): 101887040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 47609, 95218, 190436, 238045, 380872, 476090, 952180, 1904360, 1951969, 3903938, 7807876, 9759845, 15615752, 19519690, 39039380, 78078760]

約数ペア:

[(1, 78078760), (2, 39039380), (4, 19519690), (5, 15615752), (8, 9759845), (10, 7807876), (20, 3903938), (40, 1951969), (41, 1904360), (82, 952180), (164, 476090), (205, 380872), (328, 238045), (410, 190436), (820, 95218), (1640, 47609)]