39919390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{1171}}^1$

素因数の和:1672

約数の個数: 32

約数和(自身を含む): 82358784

約数和(自身を除く): 42439394

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 487, 974, 1171, 2342, 2435, 3409, 4870, 5855, 6818, 8197, 11710, 16394, 17045, 34090, 40985, 81970, 570277, 1140554, 2851385, 3991939, 5702770, 7983878, 19959695, 39919390]

約数ペア:

[(1, 39919390), (2, 19959695), (5, 7983878), (7, 5702770), (10, 3991939), (14, 2851385), (35, 1140554), (70, 570277), (487, 81970), (974, 40985), (1171, 34090), (2342, 17045), (2435, 16394), (3409, 11710), (4870, 8197), (5855, 6818)]