30004120

素因数分解:

$2^3\times 5^1\times {\mathrm{373}}^1\times {\mathrm{2011}}^1$

素因数の和:2395

約数の個数: 32

約数和(自身を含む): 67723920

約数和(自身を除く): 37719800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 373, 746, 1492, 1865, 2011, 2984, 3730, 4022, 7460, 8044, 10055, 14920, 16088, 20110, 40220, 80440, 750103, 1500206, 3000412, 3750515, 6000824, 7501030, 15002060, 30004120]

約数ペア:

[(1, 30004120), (2, 15002060), (4, 7501030), (5, 6000824), (8, 3750515), (10, 3000412), (20, 1500206), (40, 750103), (373, 80440), (746, 40220), (1492, 20110), (1865, 16088), (2011, 14920), (2984, 10055), (3730, 8044), (4022, 7460)]