676095880

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{393079}}^1$

素因数の和:393133

約数の個数: 32

約数和(自身を含む): 1556596800

約数和(自身を除く): 880500920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 393079, 786158, 1572316, 1965395, 3144632, 3930790, 7861580, 15723160, 16902397, 33804794, 67609588, 84511985, 135219176, 169023970, 338047940, 676095880]

約数ペア:

[(1, 676095880), (2, 338047940), (4, 169023970), (5, 135219176), (8, 84511985), (10, 67609588), (20, 33804794), (40, 16902397), (43, 15723160), (86, 7861580), (172, 3930790), (215, 3144632), (344, 1965395), (430, 1572316), (860, 786158), (1720, 393079)]