39890255

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{839}}^1$

素因数の和:1138

約数の個数: 16

約数和(自身を含む): 49412160

約数和(自身を除く): 9521905

約数列:

[1, 5, 37, 185, 257, 839, 1285, 4195, 9509, 31043, 47545, 155215, 215623, 1078115, 7978051, 39890255]

約数ペア:

[(1, 39890255), (5, 7978051), (37, 1078115), (185, 215623), (257, 155215), (839, 47545), (1285, 31043), (4195, 9509)]