84106840

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{6761}}^1$

素因数の和:7083

約数の個数: 32

約数和(自身を含む): 189876960

約数和(自身を除く): 105770120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 6220, 6761, 12440, 13522, 27044, 33805, 54088, 67610, 135220, 270440, 2102671, 4205342, 8410684, 10513355, 16821368, 21026710, 42053420, 84106840]

約数ペア:

[(1, 84106840), (2, 42053420), (4, 21026710), (5, 16821368), (8, 10513355), (10, 8410684), (20, 4205342), (40, 2102671), (311, 270440), (622, 135220), (1244, 67610), (1555, 54088), (2488, 33805), (3110, 27044), (6220, 13522), (6761, 12440)]