55173620

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{25309}}^1$

素因数の和:25427

約数の個数: 24

約数和(自身を含む): 116932200

約数和(自身を除く): 61758580

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 25309, 50618, 101236, 126545, 253090, 506180, 2758681, 5517362, 11034724, 13793405, 27586810, 55173620]

約数ペア:

[(1, 55173620), (2, 27586810), (4, 13793405), (5, 11034724), (10, 5517362), (20, 2758681), (109, 506180), (218, 253090), (436, 126545), (545, 101236), (1090, 50618), (2180, 25309)]