12735940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{90971}}^1$

素因数の和:90987

約数の個数: 24

約数和(自身を含む): 30566592

約数和(自身を除く): 17830652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 90971, 181942, 363884, 454855, 636797, 909710, 1273594, 1819420, 2547188, 3183985, 6367970, 12735940]

約数ペア:

[(1, 12735940), (2, 6367970), (4, 3183985), (5, 2547188), (7, 1819420), (10, 1273594), (14, 909710), (20, 636797), (28, 454855), (35, 363884), (70, 181942), (140, 90971)]