18178240

素因数分解:

$2^6\times 5^1\times {\mathrm{56807}}^1$

素因数の和:56824

約数の個数: 28

約数和(自身を含む): 43287696

約数和(自身を除く): 25109456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 56807, 113614, 227228, 284035, 454456, 568070, 908912, 1136140, 1817824, 2272280, 3635648, 4544560, 9089120, 18178240]

約数ペア:

[(1, 18178240), (2, 9089120), (4, 4544560), (5, 3635648), (8, 2272280), (10, 1817824), (16, 1136140), (20, 908912), (32, 568070), (40, 454456), (64, 284035), (80, 227228), (160, 113614), (320, 56807)]