64759940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{462571}}^1$

素因数の和:462587

約数の個数: 24

約数和(自身を含む): 155424192

約数和(自身を除く): 90664252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 462571, 925142, 1850284, 2312855, 3237997, 4625710, 6475994, 9251420, 12951988, 16189985, 32379970, 64759940]

約数ペア:

[(1, 64759940), (2, 32379970), (4, 16189985), (5, 12951988), (7, 9251420), (10, 6475994), (14, 4625710), (20, 3237997), (28, 2312855), (35, 1850284), (70, 925142), (140, 462571)]