80803480

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{14533}}^1$

素因数の和:14683

約数の個数: 32

約数和(自身を含む): 183128400

約数和(自身を除く): 102324920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 14533, 29066, 58132, 72665, 116264, 145330, 290660, 581320, 2020087, 4040174, 8080348, 10100435, 16160696, 20200870, 40401740, 80803480]

約数ペア:

[(1, 80803480), (2, 40401740), (4, 20200870), (5, 16160696), (8, 10100435), (10, 8080348), (20, 4040174), (40, 2020087), (139, 581320), (278, 290660), (556, 145330), (695, 116264), (1112, 72665), (1390, 58132), (2780, 29066), (5560, 14533)]