65861860

素因数分解:

$2^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{3323}}^1$

素因数の和:4323

約数の個数: 24

約数和(自身を含む): 138491136

約数和(自身を除く): 72629276

約数列:

[1, 2, 4, 5, 10, 20, 991, 1982, 3323, 3964, 4955, 6646, 9910, 13292, 16615, 19820, 33230, 66460, 3293093, 6586186, 13172372, 16465465, 32930930, 65861860]

約数ペア:

[(1, 65861860), (2, 32930930), (4, 16465465), (5, 13172372), (10, 6586186), (20, 3293093), (991, 66460), (1982, 33230), (3323, 19820), (3964, 16615), (4955, 13292), (6646, 9910)]