7678804520

素因数分解:

$2^3\times 5^1\times {\mathrm{5003}}^1\times {\mathrm{38371}}^1$

素因数の和:43385

約数の個数: 32

約数和(自身を含む): 17281213920

約数和(自身を除く): 9602409400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5003, 10006, 20012, 25015, 38371, 40024, 50030, 76742, 100060, 153484, 191855, 200120, 306968, 383710, 767420, 1534840, 191970113, 383940226, 767880452, 959850565, 1535760904, 1919701130, 3839402260, 7678804520]

約数ペア:

[(1, 7678804520), (2, 3839402260), (4, 1919701130), (5, 1535760904), (8, 959850565), (10, 767880452), (20, 383940226), (40, 191970113), (5003, 1534840), (10006, 767420), (20012, 383710), (25015, 306968), (38371, 200120), (40024, 191855), (50030, 153484), (76742, 100060)]