40008380

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{409}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 86651040

約数和(自身を除く): 46642660

約数列:

[1, 2, 4, 5, 10, 20, 67, 73, 134, 146, 268, 292, 335, 365, 409, 670, 730, 818, 1340, 1460, 1636, 2045, 4090, 4891, 8180, 9782, 19564, 24455, 27403, 29857, 48910, 54806, 59714, 97820, 109612, 119428, 137015, 149285, 274030, 298570, 548060, 597140, 2000419, 4000838, 8001676, 10002095, 20004190, 40008380]

約数ペア:

[(1, 40008380), (2, 20004190), (4, 10002095), (5, 8001676), (10, 4000838), (20, 2000419), (67, 597140), (73, 548060), (134, 298570), (146, 274030), (268, 149285), (292, 137015), (335, 119428), (365, 109612), (409, 97820), (670, 59714), (730, 54806), (818, 48910), (1340, 29857), (1460, 27403), (1636, 24455), (2045, 19564), (4090, 9782), (4891, 8180)]