26138060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{439}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 59505600

約数和(自身を除く): 33367540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 229, 260, 439, 458, 878, 916, 1145, 1756, 2195, 2290, 2977, 4390, 4580, 5707, 5954, 8780, 11414, 11908, 14885, 22828, 28535, 29770, 57070, 59540, 100531, 114140, 201062, 402124, 502655, 1005310, 1306903, 2010620, 2613806, 5227612, 6534515, 13069030, 26138060]

約数ペア:

[(1, 26138060), (2, 13069030), (4, 6534515), (5, 5227612), (10, 2613806), (13, 2010620), (20, 1306903), (26, 1005310), (52, 502655), (65, 402124), (130, 201062), (229, 114140), (260, 100531), (439, 59540), (458, 57070), (878, 29770), (916, 28535), (1145, 22828), (1756, 14885), (2195, 11908), (2290, 11414), (2977, 8780), (4390, 5954), (4580, 5707)]