39321940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{280871}}^1$

素因数の和:280887

約数の個数: 24

約数和(自身を含む): 94372992

約数和(自身を除く): 55051052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 280871, 561742, 1123484, 1404355, 1966097, 2808710, 3932194, 5617420, 7864388, 9830485, 19660970, 39321940]

約数ペア:

[(1, 39321940), (2, 19660970), (4, 9830485), (5, 7864388), (7, 5617420), (10, 3932194), (14, 2808710), (20, 1966097), (28, 1404355), (35, 1123484), (70, 561742), (140, 280871)]