51354440

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{3637}}^1$

素因数の和:4001

約数の個数: 32

約数和(自身を含む): 115906680

約数和(自身を除く): 64552240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 706, 1412, 1765, 2824, 3530, 3637, 7060, 7274, 14120, 14548, 18185, 29096, 36370, 72740, 145480, 1283861, 2567722, 5135444, 6419305, 10270888, 12838610, 25677220, 51354440]

約数ペア:

[(1, 51354440), (2, 25677220), (4, 12838610), (5, 10270888), (8, 6419305), (10, 5135444), (20, 2567722), (40, 1283861), (353, 145480), (706, 72740), (1412, 36370), (1765, 29096), (2824, 18185), (3530, 14548), (3637, 14120), (7060, 7274)]