843877240

素因数分解:

$2^3\times 5^1\times {\mathrm{21096931}}^1$

素因数の和:21096942

約数の個数: 16

約数和(自身を含む): 1898723880

約数和(自身を除く): 1054846640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 21096931, 42193862, 84387724, 105484655, 168775448, 210969310, 421938620, 843877240]

約数ペア:

[(1, 843877240), (2, 421938620), (4, 210969310), (5, 168775448), (8, 105484655), (10, 84387724), (20, 42193862), (40, 21096931)]