66185410

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{421}}^1$

素因数の和:706

約数の個数: 32

約数和(自身を含む): 121536000

約数和(自身を除く): 55350590

約数列:

[1, 2, 5, 10, 79, 158, 199, 395, 398, 421, 790, 842, 995, 1990, 2105, 4210, 15721, 31442, 33259, 66518, 78605, 83779, 157210, 166295, 167558, 332590, 418895, 837790, 6618541, 13237082, 33092705, 66185410]

約数ペア:

[(1, 66185410), (2, 33092705), (5, 13237082), (10, 6618541), (79, 837790), (158, 418895), (199, 332590), (395, 167558), (398, 166295), (421, 157210), (790, 83779), (842, 78605), (995, 66518), (1990, 33259), (2105, 31442), (4210, 15721)]