12400385

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{373}}^1$

素因数の和:548

約数の個数: 16

約数和(自身を含む): 15304080

約数和(自身を除く): 2903695

約数列:

[1, 5, 61, 109, 305, 373, 545, 1865, 6649, 22753, 33245, 40657, 113765, 203285, 2480077, 12400385]

約数ペア:

[(1, 12400385), (5, 2480077), (61, 203285), (109, 113765), (305, 40657), (373, 33245), (545, 22753), (1865, 6649)]