18046280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{64451}}^1$

素因数の和:64469

約数の個数: 32

約数和(自身を含む): 46405440

約数和(自身を除く): 28359160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 64451, 128902, 257804, 322255, 451157, 515608, 644510, 902314, 1289020, 1804628, 2255785, 2578040, 3609256, 4511570, 9023140, 18046280]

約数ペア:

[(1, 18046280), (2, 9023140), (4, 4511570), (5, 3609256), (7, 2578040), (8, 2255785), (10, 1804628), (14, 1289020), (20, 902314), (28, 644510), (35, 515608), (40, 451157), (56, 322255), (70, 257804), (140, 128902), (280, 64451)]