26071660

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 56306880

約数和(自身を除く): 30235220

約数列:

[1, 2, 4, 5, 10, 20, 89, 97, 151, 178, 194, 302, 356, 388, 445, 485, 604, 755, 890, 970, 1510, 1780, 1940, 3020, 8633, 13439, 14647, 17266, 26878, 29294, 34532, 43165, 53756, 58588, 67195, 73235, 86330, 134390, 146470, 172660, 268780, 292940, 1303583, 2607166, 5214332, 6517915, 13035830, 26071660]

約数ペア:

[(1, 26071660), (2, 13035830), (4, 6517915), (5, 5214332), (10, 2607166), (20, 1303583), (89, 292940), (97, 268780), (151, 172660), (178, 146470), (194, 134390), (302, 86330), (356, 73235), (388, 67195), (445, 58588), (485, 53756), (604, 43165), (755, 34532), (890, 29294), (970, 26878), (1510, 17266), (1780, 14647), (1940, 13439), (3020, 8633)]