80016208

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{161323}}^1$

素因数の和:161362

約数の個数: 20

約数和(自身を含む): 160033408

約数和(自身を除く): 80017200

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 161323, 322646, 645292, 1290584, 2581168, 5001013, 10002026, 20004052, 40008104, 80016208]

約数ペア:

[(1, 80016208), (2, 40008104), (4, 20004052), (8, 10002026), (16, 5001013), (31, 2581168), (62, 1290584), (124, 645292), (248, 322646), (496, 161323)]