55219580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{212383}}^1$

素因数の和:212405

約数の個数: 24

約数和(自身を含む): 124881792

約数和(自身を除く): 69662212

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 212383, 424766, 849532, 1061915, 2123830, 2760979, 4247660, 5521958, 11043916, 13804895, 27609790, 55219580]

約数ペア:

[(1, 55219580), (2, 27609790), (4, 13804895), (5, 11043916), (10, 5521958), (13, 4247660), (20, 2760979), (26, 2123830), (52, 1061915), (65, 849532), (130, 424766), (260, 212383)]