17213480

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2741}}^1$

素因数の和:2909

約数の個数: 32

約数和(自身を含む): 38991240

約数和(自身を除く): 21777760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 2741, 3140, 5482, 6280, 10964, 13705, 21928, 27410, 54820, 109640, 430337, 860674, 1721348, 2151685, 3442696, 4303370, 8606740, 17213480]

約数ペア:

[(1, 17213480), (2, 8606740), (4, 4303370), (5, 3442696), (8, 2151685), (10, 1721348), (20, 860674), (40, 430337), (157, 109640), (314, 54820), (628, 27410), (785, 21928), (1256, 13705), (1570, 10964), (2741, 6280), (3140, 5482)]