39216940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{280121}}^1$

素因数の和:280137

約数の個数: 24

約数和(自身を含む): 94120992

約数和(自身を除く): 54904052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 280121, 560242, 1120484, 1400605, 1960847, 2801210, 3921694, 5602420, 7843388, 9804235, 19608470, 39216940]

約数ペア:

[(1, 39216940), (2, 19608470), (4, 9804235), (5, 7843388), (7, 5602420), (10, 3921694), (14, 2801210), (20, 1960847), (28, 1400605), (35, 1120484), (70, 560242), (140, 280121)]