89118460

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{32057}}^1$

素因数の和:32205

約数の個数: 24

約数和(自身を含む): 188501040

約数和(自身を除く): 99382580

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 32057, 64114, 128228, 160285, 320570, 641140, 4455923, 8911846, 17823692, 22279615, 44559230, 89118460]

約数ペア:

[(1, 89118460), (2, 44559230), (4, 22279615), (5, 17823692), (10, 8911846), (20, 4455923), (139, 641140), (278, 320570), (556, 160285), (695, 128228), (1390, 64114), (2780, 32057)]