26798740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{647}}^1$

素因数の和:784

約数の個数: 48

約数和(自身を含む): 59875200

約数和(自身を除く): 33076460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 109, 190, 218, 380, 436, 545, 647, 1090, 1294, 2071, 2180, 2588, 3235, 4142, 6470, 8284, 10355, 12293, 12940, 20710, 24586, 41420, 49172, 61465, 70523, 122930, 141046, 245860, 282092, 352615, 705230, 1339937, 1410460, 2679874, 5359748, 6699685, 13399370, 26798740]

約数ペア:

[(1, 26798740), (2, 13399370), (4, 6699685), (5, 5359748), (10, 2679874), (19, 1410460), (20, 1339937), (38, 705230), (76, 352615), (95, 282092), (109, 245860), (190, 141046), (218, 122930), (380, 70523), (436, 61465), (545, 49172), (647, 41420), (1090, 24586), (1294, 20710), (2071, 12940), (2180, 12293), (2588, 10355), (3235, 8284), (4142, 6470)]