87978640

素因数分解:

$2^4\times 5^1\times {\mathrm{151}}^1\times {\mathrm{7283}}^1$

素因数の和:7447

約数の個数: 40

約数和(自身を含む): 205933248

約数和(自身を除く): 117954608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 151, 302, 604, 755, 1208, 1510, 2416, 3020, 6040, 7283, 12080, 14566, 29132, 36415, 58264, 72830, 116528, 145660, 291320, 582640, 1099733, 2199466, 4398932, 5498665, 8797864, 10997330, 17595728, 21994660, 43989320, 87978640]

約数ペア:

[(1, 87978640), (2, 43989320), (4, 21994660), (5, 17595728), (8, 10997330), (10, 8797864), (16, 5498665), (20, 4398932), (40, 2199466), (80, 1099733), (151, 582640), (302, 291320), (604, 145660), (755, 116528), (1208, 72830), (1510, 58264), (2416, 36415), (3020, 29132), (6040, 14566), (7283, 12080)]