63961940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{456871}}^1$

素因数の和:456887

約数の個数: 24

約数和(自身を含む): 153508992

約数和(自身を除く): 89547052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 456871, 913742, 1827484, 2284355, 3198097, 4568710, 6396194, 9137420, 12792388, 15990485, 31980970, 63961940]

約数ペア:

[(1, 63961940), (2, 31980970), (4, 15990485), (5, 12792388), (7, 9137420), (10, 6396194), (14, 4568710), (20, 3198097), (28, 2284355), (35, 1827484), (70, 913742), (140, 456871)]