42503420

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{15289}}^1$

素因数の和:15437

約数の個数: 24

約数和(自身を含む): 89905200

約数和(自身を除く): 47401780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 15289, 30578, 61156, 76445, 152890, 305780, 2125171, 4250342, 8500684, 10625855, 21251710, 42503420]

約数ペア:

[(1, 42503420), (2, 21251710), (4, 10625855), (5, 8500684), (10, 4250342), (20, 2125171), (139, 305780), (278, 152890), (556, 76445), (695, 61156), (1390, 30578), (2780, 15289)]