128596420

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{46933}}^1$

素因数の和:47079

約数の個数: 24

約数和(自身を含む): 272029464

約数和(自身を除く): 143433044

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 46933, 93866, 187732, 234665, 469330, 938660, 6429821, 12859642, 25719284, 32149105, 64298210, 128596420]

約数ペア:

[(1, 128596420), (2, 64298210), (4, 32149105), (5, 25719284), (10, 12859642), (20, 6429821), (137, 938660), (274, 469330), (548, 234665), (685, 187732), (1370, 93866), (2740, 46933)]