12129320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43319}}^1$

素因数の和:43337

約数の個数: 32

約数和(自身を含む): 31190400

約数和(自身を除く): 19061080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 43319, 86638, 173276, 216595, 303233, 346552, 433190, 606466, 866380, 1212932, 1516165, 1732760, 2425864, 3032330, 6064660, 12129320]

約数ペア:

[(1, 12129320), (2, 6064660), (4, 3032330), (5, 2425864), (7, 1732760), (8, 1516165), (10, 1212932), (14, 866380), (20, 606466), (28, 433190), (35, 346552), (40, 303233), (56, 216595), (70, 173276), (140, 86638), (280, 43319)]