81566950

素因数分解:

$2^1\times 5^2\times {\mathrm{1109}}^1\times {\mathrm{1471}}^1$

素因数の和:2592

約数の個数: 24

約数和(自身を含む): 151954560

約数和(自身を除く): 70387610

約数列:

[1, 2, 5, 10, 25, 50, 1109, 1471, 2218, 2942, 5545, 7355, 11090, 14710, 27725, 36775, 55450, 73550, 1631339, 3262678, 8156695, 16313390, 40783475, 81566950]

約数ペア:

[(1, 81566950), (2, 40783475), (5, 16313390), (10, 8156695), (25, 3262678), (50, 1631339), (1109, 73550), (1471, 55450), (2218, 36775), (2942, 27725), (5545, 14710), (7355, 11090)]