27972860

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{14419}}^1$

素因数の和:14525

約数の個数: 24

約数和(自身を含む): 59352720

約数和(自身を除く): 31379860

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 14419, 28838, 57676, 72095, 144190, 288380, 1398643, 2797286, 5594572, 6993215, 13986430, 27972860]

約数ペア:

[(1, 27972860), (2, 13986430), (4, 6993215), (5, 5594572), (10, 2797286), (20, 1398643), (97, 288380), (194, 144190), (388, 72095), (485, 57676), (970, 28838), (1940, 14419)]