1123120

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:253

約数の個数: 40

約数和(自身を含む): 2656080

約数和(自身を除く): 1532960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 139, 202, 278, 404, 505, 556, 695, 808, 1010, 1112, 1390, 1616, 2020, 2224, 2780, 4040, 5560, 8080, 11120, 14039, 28078, 56156, 70195, 112312, 140390, 224624, 280780, 561560, 1123120]

約数ペア:

[(1, 1123120), (2, 561560), (4, 280780), (5, 224624), (8, 140390), (10, 112312), (16, 70195), (20, 56156), (40, 28078), (80, 14039), (101, 11120), (139, 8080), (202, 5560), (278, 4040), (404, 2780), (505, 2224), (556, 2020), (695, 1616), (808, 1390), (1010, 1112)]