85815940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{612971}}^1$

素因数の和:612987

約数の個数: 24

約数和(自身を含む): 205958592

約数和(自身を除く): 120142652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 612971, 1225942, 2451884, 3064855, 4290797, 6129710, 8581594, 12259420, 17163188, 21453985, 42907970, 85815940]

約数ペア:

[(1, 85815940), (2, 42907970), (4, 21453985), (5, 17163188), (7, 12259420), (10, 8581594), (14, 6129710), (20, 4290797), (28, 3064855), (35, 2451884), (70, 1225942), (140, 612971)]