31276180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{120293}}^1$

素因数の和:120315

約数の個数: 24

約数和(自身を含む): 70732872

約数和(自身を除く): 39456692

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 120293, 240586, 481172, 601465, 1202930, 1563809, 2405860, 3127618, 6255236, 7819045, 15638090, 31276180]

約数ペア:

[(1, 31276180), (2, 15638090), (4, 7819045), (5, 6255236), (10, 3127618), (13, 2405860), (20, 1563809), (26, 1202930), (52, 601465), (65, 481172), (130, 240586), (260, 120293)]