67661140

素因数分解:

$2^2\times 5^1\times {\mathrm{1213}}^1\times {\mathrm{2789}}^1$

素因数の和:4011

約数の個数: 24

約数和(自身を含む): 142256520

約数和(自身を除く): 74595380

約数列:

[1, 2, 4, 5, 10, 20, 1213, 2426, 2789, 4852, 5578, 6065, 11156, 12130, 13945, 24260, 27890, 55780, 3383057, 6766114, 13532228, 16915285, 33830570, 67661140]

約数ペア:

[(1, 67661140), (2, 33830570), (4, 16915285), (5, 13532228), (10, 6766114), (20, 3383057), (1213, 55780), (2426, 27890), (2789, 24260), (4852, 13945), (5578, 12130), (6065, 11156)]