39489940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{282071}}^1$

素因数の和:282087

約数の個数: 24

約数和(自身を含む): 94776192

約数和(自身を除く): 55286252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 282071, 564142, 1128284, 1410355, 1974497, 2820710, 3948994, 5641420, 7897988, 9872485, 19744970, 39489940]

約数ペア:

[(1, 39489940), (2, 19744970), (4, 9872485), (5, 7897988), (7, 5641420), (10, 3948994), (14, 2820710), (20, 1974497), (28, 1410355), (35, 1128284), (70, 564142), (140, 282071)]