28048880

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{5233}}^1$

素因数の和:5313

約数の個数: 40

約数和(自身を含む): 66199632

約数和(自身を除く): 38150752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5233, 5360, 10466, 20932, 26165, 41864, 52330, 83728, 104660, 209320, 350611, 418640, 701222, 1402444, 1753055, 2804888, 3506110, 5609776, 7012220, 14024440, 28048880]

約数ペア:

[(1, 28048880), (2, 14024440), (4, 7012220), (5, 5609776), (8, 3506110), (10, 2804888), (16, 1753055), (20, 1402444), (40, 701222), (67, 418640), (80, 350611), (134, 209320), (268, 104660), (335, 83728), (536, 52330), (670, 41864), (1072, 26165), (1340, 20932), (2680, 10466), (5233, 5360)]