56678840

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{13757}}^1$

素因数の和:13871

約数の個数: 32

約数和(自身を含む): 128774880

約数和(自身を除く): 72096040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 13757, 27514, 55028, 68785, 110056, 137570, 275140, 550280, 1416971, 2833942, 5667884, 7084855, 11335768, 14169710, 28339420, 56678840]

約数ペア:

[(1, 56678840), (2, 28339420), (4, 14169710), (5, 11335768), (8, 7084855), (10, 5667884), (20, 2833942), (40, 1416971), (103, 550280), (206, 275140), (412, 137570), (515, 110056), (824, 68785), (1030, 55028), (2060, 27514), (4120, 13757)]